Home / 8,872.25-12,244.92-5,727.83

Finding the Fourth Proportional to 8,872.25, 12,244.92 and 5,727.83

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Solution

The fourth proportional to 8,872.25, 12,244.92 and 5,727.83 is: 7,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.25 : 12,244.92 = 5,727.83 : x
  2. Step 2: Convert to fraction form
    8,872.25/12,244.92 = 5,727.83/x
  3. Step 3: Cross multiply
    8,872.25x = 12,244.92 × 5,727.83
  4. Step 4: Simplify right side
    8,872.25x = 70,136,820.12
  5. Step 5: Solve for x
    x = 70,136,820.12/8,872.25
  6. Step 6: Final answer
    x = 7,905.19

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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.