Home / 8,787.06-13,179.07-4,107.49

Finding the Fourth Proportional to 8,787.06, 13,179.07 and 4,107.49

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Solution

The fourth proportional to 8,787.06, 13,179.07 and 4,107.49 is: 6,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.06 : 13,179.07 = 4,107.49 : x
  2. Step 2: Convert to fraction form
    8,787.06/13,179.07 = 4,107.49/x
  3. Step 3: Cross multiply
    8,787.06x = 13,179.07 × 4,107.49
  4. Step 4: Simplify right side
    8,787.06x = 54,132,898.23
  5. Step 5: Solve for x
    x = 54,132,898.23/8,787.06
  6. Step 6: Final answer
    x = 6,160.52

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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.