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Finding the Fourth Proportional to 9,372.27, 12,934.22 and 5,393.99

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Solution

The fourth proportional to 9,372.27, 12,934.22 and 5,393.99 is: 7,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.27 : 12,934.22 = 5,393.99 : x
  2. Step 2: Convert to fraction form
    9,372.27/12,934.22 = 5,393.99/x
  3. Step 3: Cross multiply
    9,372.27x = 12,934.22 × 5,393.99
  4. Step 4: Simplify right side
    9,372.27x = 69,767,058.70
  5. Step 5: Solve for x
    x = 69,767,058.70/9,372.27
  6. Step 6: Final answer
    x = 7,443.98

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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.