Home / 11,576.05-15,974.88-6,541.90

Finding the Fourth Proportional to 11,576.05, 15,974.88 and 6,541.90

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Solution

The fourth proportional to 11,576.05, 15,974.88 and 6,541.90 is: 9,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.05 : 15,974.88 = 6,541.90 : x
  2. Step 2: Convert to fraction form
    11,576.05/15,974.88 = 6,541.90/x
  3. Step 3: Cross multiply
    11,576.05x = 15,974.88 × 6,541.90
  4. Step 4: Simplify right side
    11,576.05x = 104,506,067.47
  5. Step 5: Solve for x
    x = 104,506,067.47/11,576.05
  6. Step 6: Final answer
    x = 9,027.78

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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.