Home / 7,461.11-11,175.45-7,253.75

Finding the Fourth Proportional to 7,461.11, 11,175.45 and 7,253.75

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Solution

The fourth proportional to 7,461.11, 11,175.45 and 7,253.75 is: 10,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.11 : 11,175.45 = 7,253.75 : x
  2. Step 2: Convert to fraction form
    7,461.11/11,175.45 = 7,253.75/x
  3. Step 3: Cross multiply
    7,461.11x = 11,175.45 × 7,253.75
  4. Step 4: Simplify right side
    7,461.11x = 81,063,864.56
  5. Step 5: Solve for x
    x = 81,063,864.56/7,461.11
  6. Step 6: Final answer
    x = 10,864.86

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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.