Home / 12,230.13-16,877.68-6,641.13

Finding the Fourth Proportional to 12,230.13, 16,877.68 and 6,641.13

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Solution

The fourth proportional to 12,230.13, 16,877.68 and 6,641.13 is: 9,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.13 : 16,877.68 = 6,641.13 : x
  2. Step 2: Convert to fraction form
    12,230.13/16,877.68 = 6,641.13/x
  3. Step 3: Cross multiply
    12,230.13x = 16,877.68 × 6,641.13
  4. Step 4: Simplify right side
    12,230.13x = 112,086,850.38
  5. Step 5: Solve for x
    x = 112,086,850.38/12,230.13
  6. Step 6: Final answer
    x = 9,164.81

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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.