Home / 8,840.74-13,261.12-3,578.08

Finding the Fourth Proportional to 8,840.74, 13,261.12 and 3,578.08

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Solution

The fourth proportional to 8,840.74, 13,261.12 and 3,578.08 is: 5,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.74 : 13,261.12 = 3,578.08 : x
  2. Step 2: Convert to fraction form
    8,840.74/13,261.12 = 3,578.08/x
  3. Step 3: Cross multiply
    8,840.74x = 13,261.12 × 3,578.08
  4. Step 4: Simplify right side
    8,840.74x = 47,449,348.25
  5. Step 5: Solve for x
    x = 47,449,348.25/8,840.74
  6. Step 6: Final answer
    x = 5,367.12

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Double scale
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Similar ratio
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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.