Home / 9,167.27-12,637.91-6,513.71

Finding the Fourth Proportional to 9,167.27, 12,637.91 and 6,513.71

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Solution

The fourth proportional to 9,167.27, 12,637.91 and 6,513.71 is: 8,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.27 : 12,637.91 = 6,513.71 : x
  2. Step 2: Convert to fraction form
    9,167.27/12,637.91 = 6,513.71/x
  3. Step 3: Cross multiply
    9,167.27x = 12,637.91 × 6,513.71
  4. Step 4: Simplify right side
    9,167.27x = 82,319,648.18
  5. Step 5: Solve for x
    x = 82,319,648.18/9,167.27
  6. Step 6: Final answer
    x = 8,979.73

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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.