Home / 10,134.48-15,191.39-5,742.66

Finding the Fourth Proportional to 10,134.48, 15,191.39 and 5,742.66

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Solution

The fourth proportional to 10,134.48, 15,191.39 and 5,742.66 is: 8,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.48 : 15,191.39 = 5,742.66 : x
  2. Step 2: Convert to fraction form
    10,134.48/15,191.39 = 5,742.66/x
  3. Step 3: Cross multiply
    10,134.48x = 15,191.39 × 5,742.66
  4. Step 4: Simplify right side
    10,134.48x = 87,239,002.05
  5. Step 5: Solve for x
    x = 87,239,002.05/10,134.48
  6. Step 6: Final answer
    x = 8,608.14

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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.