Home / 8,760.15-13,123.22-7,825.41

Finding the Fourth Proportional to 8,760.15, 13,123.22 and 7,825.41

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Solution

The fourth proportional to 8,760.15, 13,123.22 and 7,825.41 is: 11,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.15 : 13,123.22 = 7,825.41 : x
  2. Step 2: Convert to fraction form
    8,760.15/13,123.22 = 7,825.41/x
  3. Step 3: Cross multiply
    8,760.15x = 13,123.22 × 7,825.41
  4. Step 4: Simplify right side
    8,760.15x = 102,694,537.89
  5. Step 5: Solve for x
    x = 102,694,537.89/8,760.15
  6. Step 6: Final answer
    x = 11,722.92

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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.