Home / 12,045.24-17,998.11-8,697.56

Finding the Fourth Proportional to 12,045.24, 17,998.11 and 8,697.56

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Solution

The fourth proportional to 12,045.24, 17,998.11 and 8,697.56 is: 12,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.24 : 17,998.11 = 8,697.56 : x
  2. Step 2: Convert to fraction form
    12,045.24/17,998.11 = 8,697.56/x
  3. Step 3: Cross multiply
    12,045.24x = 17,998.11 × 8,697.56
  4. Step 4: Simplify right side
    12,045.24x = 156,539,551.62
  5. Step 5: Solve for x
    x = 156,539,551.62/12,045.24
  6. Step 6: Final answer
    x = 12,995.97

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