Home / 11,459.99-15,793.30-9,188.75

Finding the Fourth Proportional to 11,459.99, 15,793.30 and 9,188.75

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Solution

The fourth proportional to 11,459.99, 15,793.30 and 9,188.75 is: 12,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.99 : 15,793.30 = 9,188.75 : x
  2. Step 2: Convert to fraction form
    11,459.99/15,793.30 = 9,188.75/x
  3. Step 3: Cross multiply
    11,459.99x = 15,793.30 × 9,188.75
  4. Step 4: Simplify right side
    11,459.99x = 145,120,685.38
  5. Step 5: Solve for x
    x = 145,120,685.38/11,459.99
  6. Step 6: Final answer
    x = 12,663.25

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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.