Home / 11,114.25-15,339.11-6,335.94

Finding the Fourth Proportional to 11,114.25, 15,339.11 and 6,335.94

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Solution

The fourth proportional to 11,114.25, 15,339.11 and 6,335.94 is: 8,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.25 : 15,339.11 = 6,335.94 : x
  2. Step 2: Convert to fraction form
    11,114.25/15,339.11 = 6,335.94/x
  3. Step 3: Cross multiply
    11,114.25x = 15,339.11 × 6,335.94
  4. Step 4: Simplify right side
    11,114.25x = 97,187,680.61
  5. Step 5: Solve for x
    x = 97,187,680.61/11,114.25
  6. Step 6: Final answer
    x = 8,744.42

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Half scale
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Double scale
Find fourth proportional to 11,115.25, 15,340.49 and 6,336.94
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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.