Home / 8,961.12-12,359.97-5,975.46

Finding the Fourth Proportional to 8,961.12, 12,359.97 and 5,975.46

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Solution

The fourth proportional to 8,961.12, 12,359.97 and 5,975.46 is: 8,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.12 : 12,359.97 = 5,975.46 : x
  2. Step 2: Convert to fraction form
    8,961.12/12,359.97 = 5,975.46/x
  3. Step 3: Cross multiply
    8,961.12x = 12,359.97 × 5,975.46
  4. Step 4: Simplify right side
    8,961.12x = 73,856,506.34
  5. Step 5: Solve for x
    x = 73,856,506.34/8,961.12
  6. Step 6: Final answer
    x = 8,241.88

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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.