Home / 10,972.52-16,458.80-2,764.52

Finding the Fourth Proportional to 10,972.52, 16,458.80 and 2,764.52

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Solution

The fourth proportional to 10,972.52, 16,458.80 and 2,764.52 is: 4,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.52 : 16,458.80 = 2,764.52 : x
  2. Step 2: Convert to fraction form
    10,972.52/16,458.80 = 2,764.52/x
  3. Step 3: Cross multiply
    10,972.52x = 16,458.80 × 2,764.52
  4. Step 4: Simplify right side
    10,972.52x = 45,500,681.78
  5. Step 5: Solve for x
    x = 45,500,681.78/10,972.52
  6. Step 6: Final answer
    x = 4,146.79

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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.