Home / 8,175.33-11,280.29-4,637.61

Finding the Fourth Proportional to 8,175.33, 11,280.29 and 4,637.61

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Solution

The fourth proportional to 8,175.33, 11,280.29 and 4,637.61 is: 6,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.33 : 11,280.29 = 4,637.61 : x
  2. Step 2: Convert to fraction form
    8,175.33/11,280.29 = 4,637.61/x
  3. Step 3: Cross multiply
    8,175.33x = 11,280.29 × 4,637.61
  4. Step 4: Simplify right side
    8,175.33x = 52,313,562.52
  5. Step 5: Solve for x
    x = 52,313,562.52/8,175.33
  6. Step 6: Final answer
    x = 6,398.95

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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.