Home / 11,074.14-15,348.29-10,866.78

Finding the Fourth Proportional to 11,074.14, 15,348.29 and 10,866.78

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Solution

The fourth proportional to 11,074.14, 15,348.29 and 10,866.78 is: 15,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.14 : 15,348.29 = 10,866.78 : x
  2. Step 2: Convert to fraction form
    11,074.14/15,348.29 = 10,866.78/x
  3. Step 3: Cross multiply
    11,074.14x = 15,348.29 × 10,866.78
  4. Step 4: Simplify right side
    11,074.14x = 166,786,436.47
  5. Step 5: Solve for x
    x = 166,786,436.47/11,074.14
  6. Step 6: Final answer
    x = 15,060.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.