Home / 11,331.97-15,638.30-6,296.65

Finding the Fourth Proportional to 11,331.97, 15,638.30 and 6,296.65

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Solution

The fourth proportional to 11,331.97, 15,638.30 and 6,296.65 is: 8,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.97 : 15,638.30 = 6,296.65 : x
  2. Step 2: Convert to fraction form
    11,331.97/15,638.30 = 6,296.65/x
  3. Step 3: Cross multiply
    11,331.97x = 15,638.30 × 6,296.65
  4. Step 4: Simplify right side
    11,331.97x = 98,468,901.70
  5. Step 5: Solve for x
    x = 98,468,901.70/11,331.97
  6. Step 6: Final answer
    x = 8,689.48

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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.