Home / 8,924.38-12,320.20-6,531.69

Finding the Fourth Proportional to 8,924.38, 12,320.20 and 6,531.69

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Solution

The fourth proportional to 8,924.38, 12,320.20 and 6,531.69 is: 9,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.38 : 12,320.20 = 6,531.69 : x
  2. Step 2: Convert to fraction form
    8,924.38/12,320.20 = 6,531.69/x
  3. Step 3: Cross multiply
    8,924.38x = 12,320.20 × 6,531.69
  4. Step 4: Simplify right side
    8,924.38x = 80,471,712.20
  5. Step 5: Solve for x
    x = 80,471,712.20/8,924.38
  6. Step 6: Final answer
    x = 9,017.07

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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.