Home / 11,895.20-16,414.42-6,856.04

Finding the Fourth Proportional to 11,895.20, 16,414.42 and 6,856.04

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Solution

The fourth proportional to 11,895.20, 16,414.42 and 6,856.04 is: 9,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.20 : 16,414.42 = 6,856.04 : x
  2. Step 2: Convert to fraction form
    11,895.20/16,414.42 = 6,856.04/x
  3. Step 3: Cross multiply
    11,895.20x = 16,414.42 × 6,856.04
  4. Step 4: Simplify right side
    11,895.20x = 112,537,920.10
  5. Step 5: Solve for x
    x = 112,537,920.10/11,895.20
  6. Step 6: Final answer
    x = 9,460.78

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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.