Home / 12,031.03-18,046.55-5,869.75

Finding the Fourth Proportional to 12,031.03, 18,046.55 and 5,869.75

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Solution

The fourth proportional to 12,031.03, 18,046.55 and 5,869.75 is: 8,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.03 : 18,046.55 = 5,869.75 : x
  2. Step 2: Convert to fraction form
    12,031.03/18,046.55 = 5,869.75/x
  3. Step 3: Cross multiply
    12,031.03x = 18,046.55 × 5,869.75
  4. Step 4: Simplify right side
    12,031.03x = 105,928,736.86
  5. Step 5: Solve for x
    x = 105,928,736.86/12,031.03
  6. Step 6: Final answer
    x = 8,804.63

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.