Home / 10,125.27-15,193.17-7,659.36

Finding the Fourth Proportional to 10,125.27, 15,193.17 and 7,659.36

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Solution

The fourth proportional to 10,125.27, 15,193.17 and 7,659.36 is: 11,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.27 : 15,193.17 = 7,659.36 : x
  2. Step 2: Convert to fraction form
    10,125.27/15,193.17 = 7,659.36/x
  3. Step 3: Cross multiply
    10,125.27x = 15,193.17 × 7,659.36
  4. Step 4: Simplify right side
    10,125.27x = 116,369,958.57
  5. Step 5: Solve for x
    x = 116,369,958.57/10,125.27
  6. Step 6: Final answer
    x = 11,493.02

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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.