Home / 10,458.52-15,687.60-2,667.22

Finding the Fourth Proportional to 10,458.52, 15,687.60 and 2,667.22

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Solution

The fourth proportional to 10,458.52, 15,687.60 and 2,667.22 is: 4,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.52 : 15,687.60 = 2,667.22 : x
  2. Step 2: Convert to fraction form
    10,458.52/15,687.60 = 2,667.22/x
  3. Step 3: Cross multiply
    10,458.52x = 15,687.60 × 2,667.22
  4. Step 4: Simplify right side
    10,458.52x = 41,842,280.47
  5. Step 5: Solve for x
    x = 41,842,280.47/10,458.52
  6. Step 6: Final answer
    x = 4,000.78

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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.