Home / 9,766.95-13,480.11-5,789.43

Finding the Fourth Proportional to 9,766.95, 13,480.11 and 5,789.43

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Solution

The fourth proportional to 9,766.95, 13,480.11 and 5,789.43 is: 7,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.95 : 13,480.11 = 5,789.43 : x
  2. Step 2: Convert to fraction form
    9,766.95/13,480.11 = 5,789.43/x
  3. Step 3: Cross multiply
    9,766.95x = 13,480.11 × 5,789.43
  4. Step 4: Simplify right side
    9,766.95x = 78,042,153.24
  5. Step 5: Solve for x
    x = 78,042,153.24/9,766.95
  6. Step 6: Final answer
    x = 7,990.43

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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.