Home / 9,966.85-14,949.29-3,392.96

Finding the Fourth Proportional to 9,966.85, 14,949.29 and 3,392.96

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Solution

The fourth proportional to 9,966.85, 14,949.29 and 3,392.96 is: 5,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.85 : 14,949.29 = 3,392.96 : x
  2. Step 2: Convert to fraction form
    9,966.85/14,949.29 = 3,392.96/x
  3. Step 3: Cross multiply
    9,966.85x = 14,949.29 × 3,392.96
  4. Step 4: Simplify right side
    9,966.85x = 50,722,276.73
  5. Step 5: Solve for x
    x = 50,722,276.73/9,966.85
  6. Step 6: Final answer
    x = 5,089.10

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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.