Home / 7,167.11-10,753.25-3,218.06

Finding the Fourth Proportional to 7,167.11, 10,753.25 and 3,218.06

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Solution

The fourth proportional to 7,167.11, 10,753.25 and 3,218.06 is: 4,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.11 : 10,753.25 = 3,218.06 : x
  2. Step 2: Convert to fraction form
    7,167.11/10,753.25 = 3,218.06/x
  3. Step 3: Cross multiply
    7,167.11x = 10,753.25 × 3,218.06
  4. Step 4: Simplify right side
    7,167.11x = 34,604,587.60
  5. Step 5: Solve for x
    x = 34,604,587.60/7,167.11
  6. Step 6: Final answer
    x = 4,828.25

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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.