Home / 10,126.56-15,195.62-8,087.52

Finding the Fourth Proportional to 10,126.56, 15,195.62 and 8,087.52

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Solution

The fourth proportional to 10,126.56, 15,195.62 and 8,087.52 is: 12,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.56 : 15,195.62 = 8,087.52 : x
  2. Step 2: Convert to fraction form
    10,126.56/15,195.62 = 8,087.52/x
  3. Step 3: Cross multiply
    10,126.56x = 15,195.62 × 8,087.52
  4. Step 4: Simplify right side
    10,126.56x = 122,894,880.66
  5. Step 5: Solve for x
    x = 122,894,880.66/10,126.56
  6. Step 6: Final answer
    x = 12,135.90

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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.