Home / 8,127.44-11,214.92-4,591.12

Finding the Fourth Proportional to 8,127.44, 11,214.92 and 4,591.12

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Solution

The fourth proportional to 8,127.44, 11,214.92 and 4,591.12 is: 6,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.44 : 11,214.92 = 4,591.12 : x
  2. Step 2: Convert to fraction form
    8,127.44/11,214.92 = 4,591.12/x
  3. Step 3: Cross multiply
    8,127.44x = 11,214.92 × 4,591.12
  4. Step 4: Simplify right side
    8,127.44x = 51,489,043.51
  5. Step 5: Solve for x
    x = 51,489,043.51/8,127.44
  6. Step 6: Final answer
    x = 6,335.21

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Half 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.