Home / 10,650.13-15,975.18-4,799.90

Finding the Fourth Proportional to 10,650.13, 15,975.18 and 4,799.90

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Solution

The fourth proportional to 10,650.13, 15,975.18 and 4,799.90 is: 7,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.13 : 15,975.18 = 4,799.90 : x
  2. Step 2: Convert to fraction form
    10,650.13/15,975.18 = 4,799.90/x
  3. Step 3: Cross multiply
    10,650.13x = 15,975.18 × 4,799.90
  4. Step 4: Simplify right side
    10,650.13x = 76,679,306.42
  5. Step 5: Solve for x
    x = 76,679,306.42/10,650.13
  6. Step 6: Final answer
    x = 7,199.85

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Double scale
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Similar ratio
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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.