Home / 8,760.26-12,089.08-5,401.73

Finding the Fourth Proportional to 8,760.26, 12,089.08 and 5,401.73

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Solution

The fourth proportional to 8,760.26, 12,089.08 and 5,401.73 is: 7,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.26 : 12,089.08 = 5,401.73 : x
  2. Step 2: Convert to fraction form
    8,760.26/12,089.08 = 5,401.73/x
  3. Step 3: Cross multiply
    8,760.26x = 12,089.08 × 5,401.73
  4. Step 4: Simplify right side
    8,760.26x = 65,301,983.08
  5. Step 5: Solve for x
    x = 65,301,983.08/8,760.26
  6. Step 6: Final answer
    x = 7,454.34

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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.