Home / 10,102.18-15,147.25-4,174.46

Finding the Fourth Proportional to 10,102.18, 15,147.25 and 4,174.46

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Solution

The fourth proportional to 10,102.18, 15,147.25 and 4,174.46 is: 6,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.18 : 15,147.25 = 4,174.46 : x
  2. Step 2: Convert to fraction form
    10,102.18/15,147.25 = 4,174.46/x
  3. Step 3: Cross multiply
    10,102.18x = 15,147.25 × 4,174.46
  4. Step 4: Simplify right side
    10,102.18x = 63,231,589.24
  5. Step 5: Solve for x
    x = 63,231,589.24/10,102.18
  6. Step 6: Final answer
    x = 6,259.20

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1.5x scale

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.