Home / 8,862.16-12,224.92-5,135.44

Finding the Fourth Proportional to 8,862.16, 12,224.92 and 5,135.44

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Solution

The fourth proportional to 8,862.16, 12,224.92 and 5,135.44 is: 7,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.16 : 12,224.92 = 5,135.44 : x
  2. Step 2: Convert to fraction form
    8,862.16/12,224.92 = 5,135.44/x
  3. Step 3: Cross multiply
    8,862.16x = 12,224.92 × 5,135.44
  4. Step 4: Simplify right side
    8,862.16x = 62,780,343.16
  5. Step 5: Solve for x
    x = 62,780,343.16/8,862.16
  6. Step 6: Final answer
    x = 7,084.09

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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.