Home / 11,296.38-15,587.19-7,101.66

Finding the Fourth Proportional to 11,296.38, 15,587.19 and 7,101.66

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Solution

The fourth proportional to 11,296.38, 15,587.19 and 7,101.66 is: 9,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.38 : 15,587.19 = 7,101.66 : x
  2. Step 2: Convert to fraction form
    11,296.38/15,587.19 = 7,101.66/x
  3. Step 3: Cross multiply
    11,296.38x = 15,587.19 × 7,101.66
  4. Step 4: Simplify right side
    11,296.38x = 110,694,923.74
  5. Step 5: Solve for x
    x = 110,694,923.74/11,296.38
  6. Step 6: Final answer
    x = 9,799.15

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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.