Home / 12,341.67-18,508.67-4,131.75

Finding the Fourth Proportional to 12,341.67, 18,508.67 and 4,131.75

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Solution

The fourth proportional to 12,341.67, 18,508.67 and 4,131.75 is: 6,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.67 : 18,508.67 = 4,131.75 : x
  2. Step 2: Convert to fraction form
    12,341.67/18,508.67 = 4,131.75/x
  3. Step 3: Cross multiply
    12,341.67x = 18,508.67 × 4,131.75
  4. Step 4: Simplify right side
    12,341.67x = 76,473,176.61
  5. Step 5: Solve for x
    x = 76,473,176.61/12,341.67
  6. Step 6: Final answer
    x = 6,196.34

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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.