Home / 11,244.92-16,876.56-7,961.20

Finding the Fourth Proportional to 11,244.92, 16,876.56 and 7,961.20

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Solution

The fourth proportional to 11,244.92, 16,876.56 and 7,961.20 is: 11,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.92 : 16,876.56 = 7,961.20 : x
  2. Step 2: Convert to fraction form
    11,244.92/16,876.56 = 7,961.20/x
  3. Step 3: Cross multiply
    11,244.92x = 16,876.56 × 7,961.20
  4. Step 4: Simplify right side
    11,244.92x = 134,357,669.47
  5. Step 5: Solve for x
    x = 134,357,669.47/11,244.92
  6. Step 6: Final answer
    x = 11,948.30

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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.