Home / 11,778.57-16,248.35-8,000.53

Finding the Fourth Proportional to 11,778.57, 16,248.35 and 8,000.53

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Solution

The fourth proportional to 11,778.57, 16,248.35 and 8,000.53 is: 11,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.57 : 16,248.35 = 8,000.53 : x
  2. Step 2: Convert to fraction form
    11,778.57/16,248.35 = 8,000.53/x
  3. Step 3: Cross multiply
    11,778.57x = 16,248.35 × 8,000.53
  4. Step 4: Simplify right side
    11,778.57x = 129,995,391.01
  5. Step 5: Solve for x
    x = 129,995,391.01/11,778.57
  6. Step 6: Final answer
    x = 11,036.60

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Half 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.