Home / 9,168.30-13,753.24-2,929.20

Finding the Fourth Proportional to 9,168.30, 13,753.24 and 2,929.20

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Solution

The fourth proportional to 9,168.30, 13,753.24 and 2,929.20 is: 4,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.30 : 13,753.24 = 2,929.20 : x
  2. Step 2: Convert to fraction form
    9,168.30/13,753.24 = 2,929.20/x
  3. Step 3: Cross multiply
    9,168.30x = 13,753.24 × 2,929.20
  4. Step 4: Simplify right side
    9,168.30x = 40,285,990.61
  5. Step 5: Solve for x
    x = 40,285,990.61/9,168.30
  6. Step 6: Final answer
    x = 4,394.05

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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.