Home / 10,366.38-14,319.38-9,037.78

Finding the Fourth Proportional to 10,366.38, 14,319.38 and 9,037.78

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Solution

The fourth proportional to 10,366.38, 14,319.38 and 9,037.78 is: 12,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.38 : 14,319.38 = 9,037.78 : x
  2. Step 2: Convert to fraction form
    10,366.38/14,319.38 = 9,037.78/x
  3. Step 3: Cross multiply
    10,366.38x = 14,319.38 × 9,037.78
  4. Step 4: Simplify right side
    10,366.38x = 129,415,392.97
  5. Step 5: Solve for x
    x = 129,415,392.97/10,366.38
  6. Step 6: Final answer
    x = 12,484.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.