Home / 10,166.55-15,248.89-3,144.70

Finding the Fourth Proportional to 10,166.55, 15,248.89 and 3,144.70

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Solution

The fourth proportional to 10,166.55, 15,248.89 and 3,144.70 is: 4,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.55 : 15,248.89 = 3,144.70 : x
  2. Step 2: Convert to fraction form
    10,166.55/15,248.89 = 3,144.70/x
  3. Step 3: Cross multiply
    10,166.55x = 15,248.89 × 3,144.70
  4. Step 4: Simplify right side
    10,166.55x = 47,953,184.38
  5. Step 5: Solve for x
    x = 47,953,184.38/10,166.55
  6. Step 6: Final answer
    x = 4,716.76

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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.