Home / 10,818.28-16,201.50-9,651.88

Finding the Fourth Proportional to 10,818.28, 16,201.50 and 9,651.88

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Solution

The fourth proportional to 10,818.28, 16,201.50 and 9,651.88 is: 14,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.28 : 16,201.50 = 9,651.88 : x
  2. Step 2: Convert to fraction form
    10,818.28/16,201.50 = 9,651.88/x
  3. Step 3: Cross multiply
    10,818.28x = 16,201.50 × 9,651.88
  4. Step 4: Simplify right side
    10,818.28x = 156,374,933.82
  5. Step 5: Solve for x
    x = 156,374,933.82/10,818.28
  6. Step 6: Final answer
    x = 14,454.69

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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.