Home / 9,031.96-12,444.30-8,540.92

Finding the Fourth Proportional to 9,031.96, 12,444.30 and 8,540.92

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Solution

The fourth proportional to 9,031.96, 12,444.30 and 8,540.92 is: 11,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.96 : 12,444.30 = 8,540.92 : x
  2. Step 2: Convert to fraction form
    9,031.96/12,444.30 = 8,540.92/x
  3. Step 3: Cross multiply
    9,031.96x = 12,444.30 × 8,540.92
  4. Step 4: Simplify right side
    9,031.96x = 106,285,770.76
  5. Step 5: Solve for x
    x = 106,285,770.76/9,031.96
  6. Step 6: Final answer
    x = 11,767.74

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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.