Home / 10,438.30-15,654.68-4,517.24

Finding the Fourth Proportional to 10,438.30, 15,654.68 and 4,517.24

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Solution

The fourth proportional to 10,438.30, 15,654.68 and 4,517.24 is: 6,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.30 : 15,654.68 = 4,517.24 : x
  2. Step 2: Convert to fraction form
    10,438.30/15,654.68 = 4,517.24/x
  3. Step 3: Cross multiply
    10,438.30x = 15,654.68 × 4,517.24
  4. Step 4: Simplify right side
    10,438.30x = 70,715,946.68
  5. Step 5: Solve for x
    x = 70,715,946.68/10,438.30
  6. Step 6: Final answer
    x = 6,774.66

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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.