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Finding the Fourth Proportional to 9,134.03, 12,605.15 and 5,360.11

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Solution

The fourth proportional to 9,134.03, 12,605.15 and 5,360.11 is: 7,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.03 : 12,605.15 = 5,360.11 : x
  2. Step 2: Convert to fraction form
    9,134.03/12,605.15 = 5,360.11/x
  3. Step 3: Cross multiply
    9,134.03x = 12,605.15 × 5,360.11
  4. Step 4: Simplify right side
    9,134.03x = 67,564,990.57
  5. Step 5: Solve for x
    x = 67,564,990.57/9,134.03
  6. Step 6: Final answer
    x = 7,397.06

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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.