Home / 10,391.28-15,579.96-4,841.52

Finding the Fourth Proportional to 10,391.28, 15,579.96 and 4,841.52

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Solution

The fourth proportional to 10,391.28, 15,579.96 and 4,841.52 is: 7,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.28 : 15,579.96 = 4,841.52 : x
  2. Step 2: Convert to fraction form
    10,391.28/15,579.96 = 4,841.52/x
  3. Step 3: Cross multiply
    10,391.28x = 15,579.96 × 4,841.52
  4. Step 4: Simplify right side
    10,391.28x = 75,430,687.94
  5. Step 5: Solve for x
    x = 75,430,687.94/10,391.28
  6. Step 6: Final answer
    x = 7,259.04

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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.