Home / 12,331.39-18,498.84-4,008.73

Finding the Fourth Proportional to 12,331.39, 18,498.84 and 4,008.73

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Solution

The fourth proportional to 12,331.39, 18,498.84 and 4,008.73 is: 6,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.39 : 18,498.84 = 4,008.73 : x
  2. Step 2: Convert to fraction form
    12,331.39/18,498.84 = 4,008.73/x
  3. Step 3: Cross multiply
    12,331.39x = 18,498.84 × 4,008.73
  4. Step 4: Simplify right side
    12,331.39x = 74,156,854.87
  5. Step 5: Solve for x
    x = 74,156,854.87/12,331.39
  6. Step 6: Final answer
    x = 6,013.67

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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.