Home / 10,098.28-15,149.34-3,173.16

Finding the Fourth Proportional to 10,098.28, 15,149.34 and 3,173.16

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Solution

The fourth proportional to 10,098.28, 15,149.34 and 3,173.16 is: 4,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.28 : 15,149.34 = 3,173.16 : x
  2. Step 2: Convert to fraction form
    10,098.28/15,149.34 = 3,173.16/x
  3. Step 3: Cross multiply
    10,098.28x = 15,149.34 × 3,173.16
  4. Step 4: Simplify right side
    10,098.28x = 48,071,279.71
  5. Step 5: Solve for x
    x = 48,071,279.71/10,098.28
  6. Step 6: Final answer
    x = 4,760.34

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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.