Home / 8,828.92-12,180.76-5,049.36

Finding the Fourth Proportional to 8,828.92, 12,180.76 and 5,049.36

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Solution

The fourth proportional to 8,828.92, 12,180.76 and 5,049.36 is: 6,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.92 : 12,180.76 = 5,049.36 : x
  2. Step 2: Convert to fraction form
    8,828.92/12,180.76 = 5,049.36/x
  3. Step 3: Cross multiply
    8,828.92x = 12,180.76 × 5,049.36
  4. Step 4: Simplify right side
    8,828.92x = 61,505,042.31
  5. Step 5: Solve for x
    x = 61,505,042.31/8,828.92
  6. Step 6: Final answer
    x = 6,966.32

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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.