Home / 7,548.12-11,319.61-2,616.61

Finding the Fourth Proportional to 7,548.12, 11,319.61 and 2,616.61

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Solution

The fourth proportional to 7,548.12, 11,319.61 and 2,616.61 is: 3,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.12 : 11,319.61 = 2,616.61 : x
  2. Step 2: Convert to fraction form
    7,548.12/11,319.61 = 2,616.61/x
  3. Step 3: Cross multiply
    7,548.12x = 11,319.61 × 2,616.61
  4. Step 4: Simplify right side
    7,548.12x = 29,618,935.04
  5. Step 5: Solve for x
    x = 29,618,935.04/7,548.12
  6. Step 6: Final answer
    x = 3,924.02

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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.