Home / 11,565.36-17,343.42-4,167.18

Finding the Fourth Proportional to 11,565.36, 17,343.42 and 4,167.18

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Solution

The fourth proportional to 11,565.36, 17,343.42 and 4,167.18 is: 6,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.36 : 17,343.42 = 4,167.18 : x
  2. Step 2: Convert to fraction form
    11,565.36/17,343.42 = 4,167.18/x
  3. Step 3: Cross multiply
    11,565.36x = 17,343.42 × 4,167.18
  4. Step 4: Simplify right side
    11,565.36x = 72,273,152.96
  5. Step 5: Solve for x
    x = 72,273,152.96/11,565.36
  6. Step 6: Final answer
    x = 6,249.11

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