Home / 10,720.38-16,082.74-3,799.74

Finding the Fourth Proportional to 10,720.38, 16,082.74 and 3,799.74

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Solution

The fourth proportional to 10,720.38, 16,082.74 and 3,799.74 is: 5,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.38 : 16,082.74 = 3,799.74 : x
  2. Step 2: Convert to fraction form
    10,720.38/16,082.74 = 3,799.74/x
  3. Step 3: Cross multiply
    10,720.38x = 16,082.74 × 3,799.74
  4. Step 4: Simplify right side
    10,720.38x = 61,110,230.49
  5. Step 5: Solve for x
    x = 61,110,230.49/10,720.38
  6. Step 6: Final answer
    x = 5,700.38

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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.