Home / 10,635.28-15,936.76-5,080.98

Finding the Fourth Proportional to 10,635.28, 15,936.76 and 5,080.98

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Solution

The fourth proportional to 10,635.28, 15,936.76 and 5,080.98 is: 7,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.28 : 15,936.76 = 5,080.98 : x
  2. Step 2: Convert to fraction form
    10,635.28/15,936.76 = 5,080.98/x
  3. Step 3: Cross multiply
    10,635.28x = 15,936.76 × 5,080.98
  4. Step 4: Simplify right side
    10,635.28x = 80,974,358.82
  5. Step 5: Solve for x
    x = 80,974,358.82/10,635.28
  6. Step 6: Final answer
    x = 7,613.75

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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.