Home / 10,097.12-15,149.88-4,471.88

Finding the Fourth Proportional to 10,097.12, 15,149.88 and 4,471.88

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Solution

The fourth proportional to 10,097.12, 15,149.88 and 4,471.88 is: 6,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.12 : 15,149.88 = 4,471.88 : x
  2. Step 2: Convert to fraction form
    10,097.12/15,149.88 = 4,471.88/x
  3. Step 3: Cross multiply
    10,097.12x = 15,149.88 × 4,471.88
  4. Step 4: Simplify right side
    10,097.12x = 67,748,445.37
  5. Step 5: Solve for x
    x = 67,748,445.37/10,097.12
  6. Step 6: Final answer
    x = 6,709.68

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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.