Home / 12,480.55-17,202.65-8,847.84

Finding the Fourth Proportional to 12,480.55, 17,202.65 and 8,847.84

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Solution

The fourth proportional to 12,480.55, 17,202.65 and 8,847.84 is: 12,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.55 : 17,202.65 = 8,847.84 : x
  2. Step 2: Convert to fraction form
    12,480.55/17,202.65 = 8,847.84/x
  3. Step 3: Cross multiply
    12,480.55x = 17,202.65 × 8,847.84
  4. Step 4: Simplify right side
    12,480.55x = 152,206,294.78
  5. Step 5: Solve for x
    x = 152,206,294.78/12,480.55
  6. Step 6: Final answer
    x = 12,195.48

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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.