Home / 11,726.12-16,165.20-8,363.12

Finding the Fourth Proportional to 11,726.12, 16,165.20 and 8,363.12

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Solution

The fourth proportional to 11,726.12, 16,165.20 and 8,363.12 is: 11,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.12 : 16,165.20 = 8,363.12 : x
  2. Step 2: Convert to fraction form
    11,726.12/16,165.20 = 8,363.12/x
  3. Step 3: Cross multiply
    11,726.12x = 16,165.20 × 8,363.12
  4. Step 4: Simplify right side
    11,726.12x = 135,191,507.42
  5. Step 5: Solve for x
    x = 135,191,507.42/11,726.12
  6. Step 6: Final answer
    x = 11,529.09

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Half scale
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Double 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.