Home / 10,375.28-14,248.30-8,883.20

Finding the Fourth Proportional to 10,375.28, 14,248.30 and 8,883.20

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Solution

The fourth proportional to 10,375.28, 14,248.30 and 8,883.20 is: 12,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.28 : 14,248.30 = 8,883.20 : x
  2. Step 2: Convert to fraction form
    10,375.28/14,248.30 = 8,883.20/x
  3. Step 3: Cross multiply
    10,375.28x = 14,248.30 × 8,883.20
  4. Step 4: Simplify right side
    10,375.28x = 126,570,498.56
  5. Step 5: Solve for x
    x = 126,570,498.56/10,375.28
  6. Step 6: Final answer
    x = 12,199.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.