Home / 8,529.50-11,766.92-4,991.15

Finding the Fourth Proportional to 8,529.50, 11,766.92 and 4,991.15

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Solution

The fourth proportional to 8,529.50, 11,766.92 and 4,991.15 is: 6,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.50 : 11,766.92 = 4,991.15 : x
  2. Step 2: Convert to fraction form
    8,529.50/11,766.92 = 4,991.15/x
  3. Step 3: Cross multiply
    8,529.50x = 11,766.92 × 4,991.15
  4. Step 4: Simplify right side
    8,529.50x = 58,730,378.97
  5. Step 5: Solve for x
    x = 58,730,378.97/8,529.50
  6. Step 6: Final answer
    x = 6,885.56

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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.