Home / 8,902.44-12,286.29-5,125.74

Finding the Fourth Proportional to 8,902.44, 12,286.29 and 5,125.74

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Solution

The fourth proportional to 8,902.44, 12,286.29 and 5,125.74 is: 7,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.44 : 12,286.29 = 5,125.74 : x
  2. Step 2: Convert to fraction form
    8,902.44/12,286.29 = 5,125.74/x
  3. Step 3: Cross multiply
    8,902.44x = 12,286.29 × 5,125.74
  4. Step 4: Simplify right side
    8,902.44x = 62,976,328.10
  5. Step 5: Solve for x
    x = 62,976,328.10/8,902.44
  6. Step 6: Final answer
    x = 7,074.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.