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Finding the Fourth Proportional to 9,373.96, 12,935.68 and 5,182.12

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Solution

The fourth proportional to 9,373.96, 12,935.68 and 5,182.12 is: 7,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.96 : 12,935.68 = 5,182.12 : x
  2. Step 2: Convert to fraction form
    9,373.96/12,935.68 = 5,182.12/x
  3. Step 3: Cross multiply
    9,373.96x = 12,935.68 × 5,182.12
  4. Step 4: Simplify right side
    9,373.96x = 67,034,246.04
  5. Step 5: Solve for x
    x = 67,034,246.04/9,373.96
  6. Step 6: Final answer
    x = 7,151.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.