Home / 8,867.88-13,297.68-5,171.04

Finding the Fourth Proportional to 8,867.88, 13,297.68 and 5,171.04

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Solution

The fourth proportional to 8,867.88, 13,297.68 and 5,171.04 is: 7,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.88 : 13,297.68 = 5,171.04 : x
  2. Step 2: Convert to fraction form
    8,867.88/13,297.68 = 5,171.04/x
  3. Step 3: Cross multiply
    8,867.88x = 13,297.68 × 5,171.04
  4. Step 4: Simplify right side
    8,867.88x = 68,762,835.19
  5. Step 5: Solve for x
    x = 68,762,835.19/8,867.88
  6. Step 6: Final answer
    x = 7,754.15

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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.