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Ivahew [28]
3 years ago
13

Find the interest rate needed for an investment of $10,000 to grow to an amount of $11,000 in 4 years if interest is compounded

quarterly. (Round your answer to the nearest hundredth of a percent.) %
Mathematics
1 answer:
marysya [2.9K]3 years ago
7 0

Answer:

2.39\%  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=4\ years\\ P=\$10,000\\A=\$11,000\\ r=?\\n=4  

substitute in the formula above  

11,000=10,000(1+\frac{r}{4})^{4*4}  

1.1=(1+\frac{r}{4})^{16}  

Elevated both sides to (1/16)

1.005975=(1+\frac{r}{4})  

0.005975=\frac{r}{4}  

r=0.005975*4=0.0239  

Convert to percent

0.0239*100=2.39\%  

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