Home / 9,115.92-13,667.28-3,564.56

Finding the Fourth Proportional to 9,115.92, 13,667.28 and 3,564.56

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Solution

The fourth proportional to 9,115.92, 13,667.28 and 3,564.56 is: 5,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.92 : 13,667.28 = 3,564.56 : x
  2. Step 2: Convert to fraction form
    9,115.92/13,667.28 = 3,564.56/x
  3. Step 3: Cross multiply
    9,115.92x = 13,667.28 × 3,564.56
  4. Step 4: Simplify right side
    9,115.92x = 48,717,839.60
  5. Step 5: Solve for x
    x = 48,717,839.60/9,115.92
  6. Step 6: Final answer
    x = 5,344.26

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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.