Home / 8,838.12-12,195.94-6,324.20

Finding the Fourth Proportional to 8,838.12, 12,195.94 and 6,324.20

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Solution

The fourth proportional to 8,838.12, 12,195.94 and 6,324.20 is: 8,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.12 : 12,195.94 = 6,324.20 : x
  2. Step 2: Convert to fraction form
    8,838.12/12,195.94 = 6,324.20/x
  3. Step 3: Cross multiply
    8,838.12x = 12,195.94 × 6,324.20
  4. Step 4: Simplify right side
    8,838.12x = 77,129,563.75
  5. Step 5: Solve for x
    x = 77,129,563.75/8,838.12
  6. Step 6: Final answer
    x = 8,726.92

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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.