Home / 8,766.29-12,091.14-5,576.45

Finding the Fourth Proportional to 8,766.29, 12,091.14 and 5,576.45

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Solution

The fourth proportional to 8,766.29, 12,091.14 and 5,576.45 is: 7,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.29 : 12,091.14 = 5,576.45 : x
  2. Step 2: Convert to fraction form
    8,766.29/12,091.14 = 5,576.45/x
  3. Step 3: Cross multiply
    8,766.29x = 12,091.14 × 5,576.45
  4. Step 4: Simplify right side
    8,766.29x = 67,425,577.20
  5. Step 5: Solve for x
    x = 67,425,577.20/8,766.29
  6. Step 6: Final answer
    x = 7,691.46

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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.