Home / 10,342.92-15,439.38-9,572.01

Finding the Fourth Proportional to 10,342.92, 15,439.38 and 9,572.01

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Solution

The fourth proportional to 10,342.92, 15,439.38 and 9,572.01 is: 14,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.92 : 15,439.38 = 9,572.01 : x
  2. Step 2: Convert to fraction form
    10,342.92/15,439.38 = 9,572.01/x
  3. Step 3: Cross multiply
    10,342.92x = 15,439.38 × 9,572.01
  4. Step 4: Simplify right side
    10,342.92x = 147,785,899.75
  5. Step 5: Solve for x
    x = 147,785,899.75/10,342.92
  6. Step 6: Final answer
    x = 14,288.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.