Home / 10,257.30-15,374.52-4,332.42

Finding the Fourth Proportional to 10,257.30, 15,374.52 and 4,332.42

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Solution

The fourth proportional to 10,257.30, 15,374.52 and 4,332.42 is: 6,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.30 : 15,374.52 = 4,332.42 : x
  2. Step 2: Convert to fraction form
    10,257.30/15,374.52 = 4,332.42/x
  3. Step 3: Cross multiply
    10,257.30x = 15,374.52 × 4,332.42
  4. Step 4: Simplify right side
    10,257.30x = 66,608,877.94
  5. Step 5: Solve for x
    x = 66,608,877.94/10,257.30
  6. Step 6: Final answer
    x = 6,493.80

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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.