Home / 7,338.19-11,007.29-2,658.82

Finding the Fourth Proportional to 7,338.19, 11,007.29 and 2,658.82

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Solution

The fourth proportional to 7,338.19, 11,007.29 and 2,658.82 is: 3,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.19 : 11,007.29 = 2,658.82 : x
  2. Step 2: Convert to fraction form
    7,338.19/11,007.29 = 2,658.82/x
  3. Step 3: Cross multiply
    7,338.19x = 11,007.29 × 2,658.82
  4. Step 4: Simplify right side
    7,338.19x = 29,266,402.80
  5. Step 5: Solve for x
    x = 29,266,402.80/7,338.19
  6. Step 6: Final answer
    x = 3,988.23

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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.