Home / 11,344.38-15,667.20-10,107.51

Finding the Fourth Proportional to 11,344.38, 15,667.20 and 10,107.51

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Solution

The fourth proportional to 11,344.38, 15,667.20 and 10,107.51 is: 13,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.38 : 15,667.20 = 10,107.51 : x
  2. Step 2: Convert to fraction form
    11,344.38/15,667.20 = 10,107.51/x
  3. Step 3: Cross multiply
    11,344.38x = 15,667.20 × 10,107.51
  4. Step 4: Simplify right side
    11,344.38x = 158,356,380.67
  5. Step 5: Solve for x
    x = 158,356,380.67/11,344.38
  6. Step 6: Final answer
    x = 13,959.02

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Double scale
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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.