Home / 9,158.72-12,639.05-4,966.97

Finding the Fourth Proportional to 9,158.72, 12,639.05 and 4,966.97

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Solution

The fourth proportional to 9,158.72, 12,639.05 and 4,966.97 is: 6,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.72 : 12,639.05 = 4,966.97 : x
  2. Step 2: Convert to fraction form
    9,158.72/12,639.05 = 4,966.97/x
  3. Step 3: Cross multiply
    9,158.72x = 12,639.05 × 4,966.97
  4. Step 4: Simplify right side
    9,158.72x = 62,777,694.15
  5. Step 5: Solve for x
    x = 62,777,694.15/9,158.72
  6. Step 6: Final answer
    x = 6,854.42

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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.