Home / 10,240.01-15,359.91-4,691.78

Finding the Fourth Proportional to 10,240.01, 15,359.91 and 4,691.78

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Solution

The fourth proportional to 10,240.01, 15,359.91 and 4,691.78 is: 7,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.01 : 15,359.91 = 4,691.78 : x
  2. Step 2: Convert to fraction form
    10,240.01/15,359.91 = 4,691.78/x
  3. Step 3: Cross multiply
    10,240.01x = 15,359.91 × 4,691.78
  4. Step 4: Simplify right side
    10,240.01x = 72,065,318.54
  5. Step 5: Solve for x
    x = 72,065,318.54/10,240.01
  6. Step 6: Final answer
    x = 7,037.62

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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.