Home / 8,175.30-12,275.25-4,669.28

Finding the Fourth Proportional to 8,175.30, 12,275.25 and 4,669.28

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Solution

The fourth proportional to 8,175.30, 12,275.25 and 4,669.28 is: 7,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.30 : 12,275.25 = 4,669.28 : x
  2. Step 2: Convert to fraction form
    8,175.30/12,275.25 = 4,669.28/x
  3. Step 3: Cross multiply
    8,175.30x = 12,275.25 × 4,669.28
  4. Step 4: Simplify right side
    8,175.30x = 57,316,517.94
  5. Step 5: Solve for x
    x = 57,316,517.94/8,175.30
  6. Step 6: Final answer
    x = 7,010.94

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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.