Home / 8,853.25-12,217.38-4,874.28

Finding the Fourth Proportional to 8,853.25, 12,217.38 and 4,874.28

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Solution

The fourth proportional to 8,853.25, 12,217.38 and 4,874.28 is: 6,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.25 : 12,217.38 = 4,874.28 : x
  2. Step 2: Convert to fraction form
    8,853.25/12,217.38 = 4,874.28/x
  3. Step 3: Cross multiply
    8,853.25x = 12,217.38 × 4,874.28
  4. Step 4: Simplify right side
    8,853.25x = 59,550,930.99
  5. Step 5: Solve for x
    x = 59,550,930.99/8,853.25
  6. Step 6: Final answer
    x = 6,726.45

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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.