Home / 8,822.15-12,175.43-5,045.88

Finding the Fourth Proportional to 8,822.15, 12,175.43 and 5,045.88

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Solution

The fourth proportional to 8,822.15, 12,175.43 and 5,045.88 is: 6,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.15 : 12,175.43 = 5,045.88 : x
  2. Step 2: Convert to fraction form
    8,822.15/12,175.43 = 5,045.88/x
  3. Step 3: Cross multiply
    8,822.15x = 12,175.43 × 5,045.88
  4. Step 4: Simplify right side
    8,822.15x = 61,435,739.05
  5. Step 5: Solve for x
    x = 61,435,739.05/8,822.15
  6. Step 6: Final answer
    x = 6,963.81

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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.