Finding the Fourth Proportional to 10,287.39, 14,196.35 and 5,811
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Solution
The fourth proportional to 10,287.39, 14,196.35 and 5,811 is: 8,019.04
Step by Step Solution
- Step 1: Write the proportion equation
10,287.39 : 14,196.35 = 5,811 : x - Step 2: Convert to fraction form
10,287.39/14,196.35 = 5,811/x - Step 3: Cross multiply
10,287.39x = 14,196.35 × 5,811 - Step 4: Simplify right side
10,287.39x = 82,494,960.80 - Step 5: Solve for x
x = 82,494,960.80/10,287.39 - Step 6: Final answer
x = 8,019.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.