Home / 10,348.36-15,517.18-5,081.02

Finding the Fourth Proportional to 10,348.36, 15,517.18 and 5,081.02

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Solution

The fourth proportional to 10,348.36, 15,517.18 and 5,081.02 is: 7,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.36 : 15,517.18 = 5,081.02 : x
  2. Step 2: Convert to fraction form
    10,348.36/15,517.18 = 5,081.02/x
  3. Step 3: Cross multiply
    10,348.36x = 15,517.18 × 5,081.02
  4. Step 4: Simplify right side
    10,348.36x = 78,843,101.92
  5. Step 5: Solve for x
    x = 78,843,101.92/10,348.36
  6. Step 6: Final answer
    x = 7,618.90

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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.