Home / 10,825.20-16,237.80-2,927.70

Finding the Fourth Proportional to 10,825.20, 16,237.80 and 2,927.70

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Solution

The fourth proportional to 10,825.20, 16,237.80 and 2,927.70 is: 4,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.20 : 16,237.80 = 2,927.70 : x
  2. Step 2: Convert to fraction form
    10,825.20/16,237.80 = 2,927.70/x
  3. Step 3: Cross multiply
    10,825.20x = 16,237.80 × 2,927.70
  4. Step 4: Simplify right side
    10,825.20x = 47,539,407.06
  5. Step 5: Solve for x
    x = 47,539,407.06/10,825.20
  6. Step 6: Final answer
    x = 4,391.55

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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.