Home / 9,372.92-12,934.15-5,180.36

Finding the Fourth Proportional to 9,372.92, 12,934.15 and 5,180.36

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Solution

The fourth proportional to 9,372.92, 12,934.15 and 5,180.36 is: 7,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.92 : 12,934.15 = 5,180.36 : x
  2. Step 2: Convert to fraction form
    9,372.92/12,934.15 = 5,180.36/x
  3. Step 3: Cross multiply
    9,372.92x = 12,934.15 × 5,180.36
  4. Step 4: Simplify right side
    9,372.92x = 67,003,475.67
  5. Step 5: Solve for x
    x = 67,003,475.67/9,372.92
  6. Step 6: Final answer
    x = 7,148.63

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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.