Home / 8,991.85-13,487.75-2,418.04

Finding the Fourth Proportional to 8,991.85, 13,487.75 and 2,418.04

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Solution

The fourth proportional to 8,991.85, 13,487.75 and 2,418.04 is: 3,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.85 : 13,487.75 = 2,418.04 : x
  2. Step 2: Convert to fraction form
    8,991.85/13,487.75 = 2,418.04/x
  3. Step 3: Cross multiply
    8,991.85x = 13,487.75 × 2,418.04
  4. Step 4: Simplify right side
    8,991.85x = 32,613,851.57
  5. Step 5: Solve for x
    x = 32,613,851.57/8,991.85
  6. Step 6: Final answer
    x = 3,627.05

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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.