Home / 12,006.97-16,571.18-6,702.89

Finding the Fourth Proportional to 12,006.97, 16,571.18 and 6,702.89

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Solution

The fourth proportional to 12,006.97, 16,571.18 and 6,702.89 is: 9,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.97 : 16,571.18 = 6,702.89 : x
  2. Step 2: Convert to fraction form
    12,006.97/16,571.18 = 6,702.89/x
  3. Step 3: Cross multiply
    12,006.97x = 16,571.18 × 6,702.89
  4. Step 4: Simplify right side
    12,006.97x = 111,074,730.61
  5. Step 5: Solve for x
    x = 111,074,730.61/12,006.97
  6. Step 6: Final answer
    x = 9,250.86

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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.