Home / 8,046.25-11,103.36-4,689.61

Finding the Fourth Proportional to 8,046.25, 11,103.36 and 4,689.61

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Solution

The fourth proportional to 8,046.25, 11,103.36 and 4,689.61 is: 6,471.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.25 : 11,103.36 = 4,689.61 : x
  2. Step 2: Convert to fraction form
    8,046.25/11,103.36 = 4,689.61/x
  3. Step 3: Cross multiply
    8,046.25x = 11,103.36 × 4,689.61
  4. Step 4: Simplify right side
    8,046.25x = 52,070,428.09
  5. Step 5: Solve for x
    x = 52,070,428.09/8,046.25
  6. Step 6: Final answer
    x = 6,471.39

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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.