Home / 10,123.95-15,221.97-8,833.62

Finding the Fourth Proportional to 10,123.95, 15,221.97 and 8,833.62

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Solution

The fourth proportional to 10,123.95, 15,221.97 and 8,833.62 is: 13,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.95 : 15,221.97 = 8,833.62 : x
  2. Step 2: Convert to fraction form
    10,123.95/15,221.97 = 8,833.62/x
  3. Step 3: Cross multiply
    10,123.95x = 15,221.97 × 8,833.62
  4. Step 4: Simplify right side
    10,123.95x = 134,465,098.63
  5. Step 5: Solve for x
    x = 134,465,098.63/10,123.95
  6. Step 6: Final answer
    x = 13,281.88

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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.