Home / 9,229.59-12,737.39-6,987.92

Finding the Fourth Proportional to 9,229.59, 12,737.39 and 6,987.92

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Solution

The fourth proportional to 9,229.59, 12,737.39 and 6,987.92 is: 9,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.59 : 12,737.39 = 6,987.92 : x
  2. Step 2: Convert to fraction form
    9,229.59/12,737.39 = 6,987.92/x
  3. Step 3: Cross multiply
    9,229.59x = 12,737.39 × 6,987.92
  4. Step 4: Simplify right side
    9,229.59x = 89,007,763.70
  5. Step 5: Solve for x
    x = 89,007,763.70/9,229.59
  6. Step 6: Final answer
    x = 9,643.74

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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.