Home / 10,516.10-15,744.98-5,311.04

Finding the Fourth Proportional to 10,516.10, 15,744.98 and 5,311.04

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Solution

The fourth proportional to 10,516.10, 15,744.98 and 5,311.04 is: 7,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.10 : 15,744.98 = 5,311.04 : x
  2. Step 2: Convert to fraction form
    10,516.10/15,744.98 = 5,311.04/x
  3. Step 3: Cross multiply
    10,516.10x = 15,744.98 × 5,311.04
  4. Step 4: Simplify right side
    10,516.10x = 83,622,218.58
  5. Step 5: Solve for x
    x = 83,622,218.58/10,516.10
  6. Step 6: Final answer
    x = 7,951.83

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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.