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Finding the Fourth Proportional to 9,167.53, 12,651.09 and 5,134.39

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Solution

The fourth proportional to 9,167.53, 12,651.09 and 5,134.39 is: 7,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.53 : 12,651.09 = 5,134.39 : x
  2. Step 2: Convert to fraction form
    9,167.53/12,651.09 = 5,134.39/x
  3. Step 3: Cross multiply
    9,167.53x = 12,651.09 × 5,134.39
  4. Step 4: Simplify right side
    9,167.53x = 64,955,626.54
  5. Step 5: Solve for x
    x = 64,955,626.54/9,167.53
  6. Step 6: Final answer
    x = 7,085.40

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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.