Home / 8,877.42-12,252.33-5,340.96

Finding the Fourth Proportional to 8,877.42, 12,252.33 and 5,340.96

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Solution

The fourth proportional to 8,877.42, 12,252.33 and 5,340.96 is: 7,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.42 : 12,252.33 = 5,340.96 : x
  2. Step 2: Convert to fraction form
    8,877.42/12,252.33 = 5,340.96/x
  3. Step 3: Cross multiply
    8,877.42x = 12,252.33 × 5,340.96
  4. Step 4: Simplify right side
    8,877.42x = 65,439,204.44
  5. Step 5: Solve for x
    x = 65,439,204.44/8,877.42
  6. Step 6: Final answer
    x = 7,371.42

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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.