Home / 10,098.54-15,147.24-4,172.88

Finding the Fourth Proportional to 10,098.54, 15,147.24 and 4,172.88

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Solution

The fourth proportional to 10,098.54, 15,147.24 and 4,172.88 is: 6,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.54 : 15,147.24 = 4,172.88 : x
  2. Step 2: Convert to fraction form
    10,098.54/15,147.24 = 4,172.88/x
  3. Step 3: Cross multiply
    10,098.54x = 15,147.24 × 4,172.88
  4. Step 4: Simplify right side
    10,098.54x = 63,207,614.85
  5. Step 5: Solve for x
    x = 63,207,614.85/10,098.54
  6. Step 6: Final answer
    x = 6,259.08

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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.