Home / 9,180.92-12,675.66-6,393.08

Finding the Fourth Proportional to 9,180.92, 12,675.66 and 6,393.08

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Solution

The fourth proportional to 9,180.92, 12,675.66 and 6,393.08 is: 8,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.92 : 12,675.66 = 6,393.08 : x
  2. Step 2: Convert to fraction form
    9,180.92/12,675.66 = 6,393.08/x
  3. Step 3: Cross multiply
    9,180.92x = 12,675.66 × 6,393.08
  4. Step 4: Simplify right side
    9,180.92x = 81,036,508.43
  5. Step 5: Solve for x
    x = 81,036,508.43/9,180.92
  6. Step 6: Final answer
    x = 8,826.62

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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.