Home / 11,867.59-17,785.81-8,732.92

Finding the Fourth Proportional to 11,867.59, 17,785.81 and 8,732.92

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Solution

The fourth proportional to 11,867.59, 17,785.81 and 8,732.92 is: 13,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.59 : 17,785.81 = 8,732.92 : x
  2. Step 2: Convert to fraction form
    11,867.59/17,785.81 = 8,732.92/x
  3. Step 3: Cross multiply
    11,867.59x = 17,785.81 × 8,732.92
  4. Step 4: Simplify right side
    11,867.59x = 155,321,956.22
  5. Step 5: Solve for x
    x = 155,321,956.22/11,867.59
  6. Step 6: Final answer
    x = 13,087.91

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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.