Home / 8,822.98-12,175.75-4,789.82

Finding the Fourth Proportional to 8,822.98, 12,175.75 and 4,789.82

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Solution

The fourth proportional to 8,822.98, 12,175.75 and 4,789.82 is: 6,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.98 : 12,175.75 = 4,789.82 : x
  2. Step 2: Convert to fraction form
    8,822.98/12,175.75 = 4,789.82/x
  3. Step 3: Cross multiply
    8,822.98x = 12,175.75 × 4,789.82
  4. Step 4: Simplify right side
    8,822.98x = 58,319,608.70
  5. Step 5: Solve for x
    x = 58,319,608.70/8,822.98
  6. Step 6: Final answer
    x = 6,609.96

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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.