Home / 7,134.66-10,712.38-5,065.65

Finding the Fourth Proportional to 7,134.66, 10,712.38 and 5,065.65

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Solution

The fourth proportional to 7,134.66, 10,712.38 and 5,065.65 is: 7,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.66 : 10,712.38 = 5,065.65 : x
  2. Step 2: Convert to fraction form
    7,134.66/10,712.38 = 5,065.65/x
  3. Step 3: Cross multiply
    7,134.66x = 10,712.38 × 5,065.65
  4. Step 4: Simplify right side
    7,134.66x = 54,265,167.75
  5. Step 5: Solve for x
    x = 54,265,167.75/7,134.66
  6. Step 6: Final answer
    x = 7,605.85

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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.