Home / 11,034.33-16,458.31-9,372.21

Finding the Fourth Proportional to 11,034.33, 16,458.31 and 9,372.21

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Solution

The fourth proportional to 11,034.33, 16,458.31 and 9,372.21 is: 13,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,034.33 : 16,458.31 = 9,372.21 : x
  2. Step 2: Convert to fraction form
    11,034.33/16,458.31 = 9,372.21/x
  3. Step 3: Cross multiply
    11,034.33x = 16,458.31 × 9,372.21
  4. Step 4: Simplify right side
    11,034.33x = 154,250,713.92
  5. Step 5: Solve for x
    x = 154,250,713.92/11,034.33
  6. Step 6: Final answer
    x = 13,979.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.