Home / 10,092.92-15,139.44-3,519.10

Finding the Fourth Proportional to 10,092.92, 15,139.44 and 3,519.10

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Solution

The fourth proportional to 10,092.92, 15,139.44 and 3,519.10 is: 5,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.92 : 15,139.44 = 3,519.10 : x
  2. Step 2: Convert to fraction form
    10,092.92/15,139.44 = 3,519.10/x
  3. Step 3: Cross multiply
    10,092.92x = 15,139.44 × 3,519.10
  4. Step 4: Simplify right side
    10,092.92x = 53,277,165.46
  5. Step 5: Solve for x
    x = 53,277,165.46/10,092.92
  6. Step 6: Final answer
    x = 5,278.67

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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.