Home / 11,443.60-17,165.40-4,874.52

Finding the Fourth Proportional to 11,443.60, 17,165.40 and 4,874.52

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Solution

The fourth proportional to 11,443.60, 17,165.40 and 4,874.52 is: 7,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.60 : 17,165.40 = 4,874.52 : x
  2. Step 2: Convert to fraction form
    11,443.60/17,165.40 = 4,874.52/x
  3. Step 3: Cross multiply
    11,443.60x = 17,165.40 × 4,874.52
  4. Step 4: Simplify right side
    11,443.60x = 83,673,085.61
  5. Step 5: Solve for x
    x = 83,673,085.61/11,443.60
  6. Step 6: Final answer
    x = 7,311.78

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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.