Home / 8,766.12-13,149.18-2,922.36

Finding the Fourth Proportional to 8,766.12, 13,149.18 and 2,922.36

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Solution

The fourth proportional to 8,766.12, 13,149.18 and 2,922.36 is: 4,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.12 : 13,149.18 = 2,922.36 : x
  2. Step 2: Convert to fraction form
    8,766.12/13,149.18 = 2,922.36/x
  3. Step 3: Cross multiply
    8,766.12x = 13,149.18 × 2,922.36
  4. Step 4: Simplify right side
    8,766.12x = 38,426,637.66
  5. Step 5: Solve for x
    x = 38,426,637.66/8,766.12
  6. Step 6: Final answer
    x = 4,383.54

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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.