Home / 12,102.59-18,166.61-10,724.75

Finding the Fourth Proportional to 12,102.59, 18,166.61 and 10,724.75

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Solution

The fourth proportional to 12,102.59, 18,166.61 and 10,724.75 is: 16,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.59 : 18,166.61 = 10,724.75 : x
  2. Step 2: Convert to fraction form
    12,102.59/18,166.61 = 10,724.75/x
  3. Step 3: Cross multiply
    12,102.59x = 18,166.61 × 10,724.75
  4. Step 4: Simplify right side
    12,102.59x = 194,832,296.97
  5. Step 5: Solve for x
    x = 194,832,296.97/12,102.59
  6. Step 6: Final answer
    x = 16,098.40

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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.