Home / 11,833.18-16,331.56-7,799.45

Finding the Fourth Proportional to 11,833.18, 16,331.56 and 7,799.45

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Solution

The fourth proportional to 11,833.18, 16,331.56 and 7,799.45 is: 10,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.18 : 16,331.56 = 7,799.45 : x
  2. Step 2: Convert to fraction form
    11,833.18/16,331.56 = 7,799.45/x
  3. Step 3: Cross multiply
    11,833.18x = 16,331.56 × 7,799.45
  4. Step 4: Simplify right side
    11,833.18x = 127,377,084.49
  5. Step 5: Solve for x
    x = 127,377,084.49/11,833.18
  6. Step 6: Final answer
    x = 10,764.40

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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.