Home / 10,125.56-15,194.12-8,086.52

Finding the Fourth Proportional to 10,125.56, 15,194.12 and 8,086.52

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Solution

The fourth proportional to 10,125.56, 15,194.12 and 8,086.52 is: 12,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.56 : 15,194.12 = 8,086.52 : x
  2. Step 2: Convert to fraction form
    10,125.56/15,194.12 = 8,086.52/x
  3. Step 3: Cross multiply
    10,125.56x = 15,194.12 × 8,086.52
  4. Step 4: Simplify right side
    10,125.56x = 122,867,555.26
  5. Step 5: Solve for x
    x = 122,867,555.26/10,125.56
  6. Step 6: Final answer
    x = 12,134.40

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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.