Home / 9,115.97-13,668.48-3,562.70

Finding the Fourth Proportional to 9,115.97, 13,668.48 and 3,562.70

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Solution

The fourth proportional to 9,115.97, 13,668.48 and 3,562.70 is: 5,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.97 : 13,668.48 = 3,562.70 : x
  2. Step 2: Convert to fraction form
    9,115.97/13,668.48 = 3,562.70/x
  3. Step 3: Cross multiply
    9,115.97x = 13,668.48 × 3,562.70
  4. Step 4: Simplify right side
    9,115.97x = 48,696,625.35
  5. Step 5: Solve for x
    x = 48,696,625.35/9,115.97
  6. Step 6: Final answer
    x = 5,341.90

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1.5x scale

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.