Home / 10,082.03-15,125.60-7,126.29

Finding the Fourth Proportional to 10,082.03, 15,125.60 and 7,126.29

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Solution

The fourth proportional to 10,082.03, 15,125.60 and 7,126.29 is: 10,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.03 : 15,125.60 = 7,126.29 : x
  2. Step 2: Convert to fraction form
    10,082.03/15,125.60 = 7,126.29/x
  3. Step 3: Cross multiply
    10,082.03x = 15,125.60 × 7,126.29
  4. Step 4: Simplify right side
    10,082.03x = 107,789,412.02
  5. Step 5: Solve for x
    x = 107,789,412.02/10,082.03
  6. Step 6: Final answer
    x = 10,691.24

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1.5x scale

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.