Home / 12,534.17-18,785.01-9,389.39

Finding the Fourth Proportional to 12,534.17, 18,785.01 and 9,389.39

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Solution

The fourth proportional to 12,534.17, 18,785.01 and 9,389.39 is: 14,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.17 : 18,785.01 = 9,389.39 : x
  2. Step 2: Convert to fraction form
    12,534.17/18,785.01 = 9,389.39/x
  3. Step 3: Cross multiply
    12,534.17x = 18,785.01 × 9,389.39
  4. Step 4: Simplify right side
    12,534.17x = 176,379,785.04
  5. Step 5: Solve for x
    x = 176,379,785.04/12,534.17
  6. Step 6: Final answer
    x = 14,071.92

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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.