Home / 7,518.16-11,269.14-3,132.82

Finding the Fourth Proportional to 7,518.16, 11,269.14 and 3,132.82

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Solution

The fourth proportional to 7,518.16, 11,269.14 and 3,132.82 is: 4,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.16 : 11,269.14 = 3,132.82 : x
  2. Step 2: Convert to fraction form
    7,518.16/11,269.14 = 3,132.82/x
  3. Step 3: Cross multiply
    7,518.16x = 11,269.14 × 3,132.82
  4. Step 4: Simplify right side
    7,518.16x = 35,304,187.17
  5. Step 5: Solve for x
    x = 35,304,187.17/7,518.16
  6. Step 6: Final answer
    x = 4,695.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.