Home / 12,332.90-18,487.20-6,087.80

Finding the Fourth Proportional to 12,332.90, 18,487.20 and 6,087.80

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Solution

The fourth proportional to 12,332.90, 18,487.20 and 6,087.80 is: 9,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.90 : 18,487.20 = 6,087.80 : x
  2. Step 2: Convert to fraction form
    12,332.90/18,487.20 = 6,087.80/x
  3. Step 3: Cross multiply
    12,332.90x = 18,487.20 × 6,087.80
  4. Step 4: Simplify right side
    12,332.90x = 112,546,376.16
  5. Step 5: Solve for x
    x = 112,546,376.16/12,332.90
  6. Step 6: Final answer
    x = 9,125.70

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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.