Home / 10,371.09-15,562.13-4,821.60

Finding the Fourth Proportional to 10,371.09, 15,562.13 and 4,821.60

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Solution

The fourth proportional to 10,371.09, 15,562.13 and 4,821.60 is: 7,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.09 : 15,562.13 = 4,821.60 : x
  2. Step 2: Convert to fraction form
    10,371.09/15,562.13 = 4,821.60/x
  3. Step 3: Cross multiply
    10,371.09x = 15,562.13 × 4,821.60
  4. Step 4: Simplify right side
    10,371.09x = 75,034,366.01
  5. Step 5: Solve for x
    x = 75,034,366.01/10,371.09
  6. Step 6: Final answer
    x = 7,234.95

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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.