Home / 10,104.72-15,157.28-3,867.68

Finding the Fourth Proportional to 10,104.72, 15,157.28 and 3,867.68

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Solution

The fourth proportional to 10,104.72, 15,157.28 and 3,867.68 is: 5,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.72 : 15,157.28 = 3,867.68 : x
  2. Step 2: Convert to fraction form
    10,104.72/15,157.28 = 3,867.68/x
  3. Step 3: Cross multiply
    10,104.72x = 15,157.28 × 3,867.68
  4. Step 4: Simplify right side
    10,104.72x = 58,623,508.71
  5. Step 5: Solve for x
    x = 58,623,508.71/10,104.72
  6. Step 6: Final answer
    x = 5,801.60

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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.