Home / 8,625.45-11,902.61-5,089.77

Finding the Fourth Proportional to 8,625.45, 11,902.61 and 5,089.77

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Solution

The fourth proportional to 8,625.45, 11,902.61 and 5,089.77 is: 7,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.45 : 11,902.61 = 5,089.77 : x
  2. Step 2: Convert to fraction form
    8,625.45/11,902.61 = 5,089.77/x
  3. Step 3: Cross multiply
    8,625.45x = 11,902.61 × 5,089.77
  4. Step 4: Simplify right side
    8,625.45x = 60,581,521.85
  5. Step 5: Solve for x
    x = 60,581,521.85/8,625.45
  6. Step 6: Final answer
    x = 7,023.58

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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.