Home / 12,182.22-16,811.44-6,876.92

Finding the Fourth Proportional to 12,182.22, 16,811.44 and 6,876.92

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Solution

The fourth proportional to 12,182.22, 16,811.44 and 6,876.92 is: 9,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.22 : 16,811.44 = 6,876.92 : x
  2. Step 2: Convert to fraction form
    12,182.22/16,811.44 = 6,876.92/x
  3. Step 3: Cross multiply
    12,182.22x = 16,811.44 × 6,876.92
  4. Step 4: Simplify right side
    12,182.22x = 115,610,952.80
  5. Step 5: Solve for x
    x = 115,610,952.80/12,182.22
  6. Step 6: Final answer
    x = 9,490.14

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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.