Home / 9,317.68-13,972.20-3,472.72

Finding the Fourth Proportional to 9,317.68, 13,972.20 and 3,472.72

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Solution

The fourth proportional to 9,317.68, 13,972.20 and 3,472.72 is: 5,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.68 : 13,972.20 = 3,472.72 : x
  2. Step 2: Convert to fraction form
    9,317.68/13,972.20 = 3,472.72/x
  3. Step 3: Cross multiply
    9,317.68x = 13,972.20 × 3,472.72
  4. Step 4: Simplify right side
    9,317.68x = 48,521,538.38
  5. Step 5: Solve for x
    x = 48,521,538.38/9,317.68
  6. Step 6: Final answer
    x = 5,207.47

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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.