Home / 8,988.72-13,481.56-2,414.36

Finding the Fourth Proportional to 8,988.72, 13,481.56 and 2,414.36

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Solution

The fourth proportional to 8,988.72, 13,481.56 and 2,414.36 is: 3,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.72 : 13,481.56 = 2,414.36 : x
  2. Step 2: Convert to fraction form
    8,988.72/13,481.56 = 2,414.36/x
  3. Step 3: Cross multiply
    8,988.72x = 13,481.56 × 2,414.36
  4. Step 4: Simplify right side
    8,988.72x = 32,549,339.20
  5. Step 5: Solve for x
    x = 32,549,339.20/8,988.72
  6. Step 6: Final answer
    x = 3,621.13

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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.