Home / 9,555.20-14,330.40-3,397.76

Finding the Fourth Proportional to 9,555.20, 14,330.40 and 3,397.76

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Solution

The fourth proportional to 9,555.20, 14,330.40 and 3,397.76 is: 5,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.20 : 14,330.40 = 3,397.76 : x
  2. Step 2: Convert to fraction form
    9,555.20/14,330.40 = 3,397.76/x
  3. Step 3: Cross multiply
    9,555.20x = 14,330.40 × 3,397.76
  4. Step 4: Simplify right side
    9,555.20x = 48,691,259.90
  5. Step 5: Solve for x
    x = 48,691,259.90/9,555.20
  6. Step 6: Final answer
    x = 5,095.79

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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.