Finding the Fourth Proportional to 7,926.24, 11,890.26 and 2,082.96
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Solution
The fourth proportional to 7,926.24, 11,890.26 and 2,082.96 is: 3,124.68
Step by Step Solution
- Step 1: Write the proportion equation
7,926.24 : 11,890.26 = 2,082.96 : x - Step 2: Convert to fraction form
7,926.24/11,890.26 = 2,082.96/x - Step 3: Cross multiply
7,926.24x = 11,890.26 × 2,082.96 - Step 4: Simplify right side
7,926.24x = 24,766,935.97 - Step 5: Solve for x
x = 24,766,935.97/7,926.24 - Step 6: Final answer
x = 3,124.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.