Home / 7,367.80-11,045.16-2,686.72

Finding the Fourth Proportional to 7,367.80, 11,045.16 and 2,686.72

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Solution

The fourth proportional to 7,367.80, 11,045.16 and 2,686.72 is: 4,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.80 : 11,045.16 = 2,686.72 : x
  2. Step 2: Convert to fraction form
    7,367.80/11,045.16 = 2,686.72/x
  3. Step 3: Cross multiply
    7,367.80x = 11,045.16 × 2,686.72
  4. Step 4: Simplify right side
    7,367.80x = 29,675,252.28
  5. Step 5: Solve for x
    x = 29,675,252.28/7,367.80
  6. Step 6: Final answer
    x = 4,027.70

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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.