Home / 9,046.20-13,545-5,145.24

Finding the Fourth Proportional to 9,046.20, 13,545 and 5,145.24

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Solution

The fourth proportional to 9,046.20, 13,545 and 5,145.24 is: 7,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,046.20 : 13,545 = 5,145.24 : x
  2. Step 2: Convert to fraction form
    9,046.20/13,545 = 5,145.24/x
  3. Step 3: Cross multiply
    9,046.20x = 13,545 × 5,145.24
  4. Step 4: Simplify right side
    9,046.20x = 69,692,275.80
  5. Step 5: Solve for x
    x = 69,692,275.80/9,046.20
  6. Step 6: Final answer
    x = 7,704.04

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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.