Home / 9,069.17-13,600.10-3,145.13

Finding the Fourth Proportional to 9,069.17, 13,600.10 and 3,145.13

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Solution

The fourth proportional to 9,069.17, 13,600.10 and 3,145.13 is: 4,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.17 : 13,600.10 = 3,145.13 : x
  2. Step 2: Convert to fraction form
    9,069.17/13,600.10 = 3,145.13/x
  3. Step 3: Cross multiply
    9,069.17x = 13,600.10 × 3,145.13
  4. Step 4: Simplify right side
    9,069.17x = 42,774,073.38
  5. Step 5: Solve for x
    x = 42,774,073.38/9,069.17
  6. Step 6: Final answer
    x = 4,716.43

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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.