Home / 10,644.12-15,966.44-3,248.56

Finding the Fourth Proportional to 10,644.12, 15,966.44 and 3,248.56

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Solution

The fourth proportional to 10,644.12, 15,966.44 and 3,248.56 is: 4,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.12 : 15,966.44 = 3,248.56 : x
  2. Step 2: Convert to fraction form
    10,644.12/15,966.44 = 3,248.56/x
  3. Step 3: Cross multiply
    10,644.12x = 15,966.44 × 3,248.56
  4. Step 4: Simplify right side
    10,644.12x = 51,867,938.33
  5. Step 5: Solve for x
    x = 51,867,938.33/10,644.12
  6. Step 6: Final answer
    x = 4,872.92

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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.