Home / 12,576.96-17,352.82-8,097.03

Finding the Fourth Proportional to 12,576.96, 17,352.82 and 8,097.03

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Solution

The fourth proportional to 12,576.96, 17,352.82 and 8,097.03 is: 11,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.96 : 17,352.82 = 8,097.03 : x
  2. Step 2: Convert to fraction form
    12,576.96/17,352.82 = 8,097.03/x
  3. Step 3: Cross multiply
    12,576.96x = 17,352.82 × 8,097.03
  4. Step 4: Simplify right side
    12,576.96x = 140,506,229.65
  5. Step 5: Solve for x
    x = 140,506,229.65/12,576.96
  6. Step 6: Final answer
    x = 11,171.72

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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.