Home / 8,223.72-11,335.14-6,127.08

Finding the Fourth Proportional to 8,223.72, 11,335.14 and 6,127.08

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Solution

The fourth proportional to 8,223.72, 11,335.14 and 6,127.08 is: 8,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.72 : 11,335.14 = 6,127.08 : x
  2. Step 2: Convert to fraction form
    8,223.72/11,335.14 = 6,127.08/x
  3. Step 3: Cross multiply
    8,223.72x = 11,335.14 × 6,127.08
  4. Step 4: Simplify right side
    8,223.72x = 69,451,309.59
  5. Step 5: Solve for x
    x = 69,451,309.59/8,223.72
  6. Step 6: Final answer
    x = 8,445.24

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.