Home / 10,299.41-15,443.24-3,278.06

Finding the Fourth Proportional to 10,299.41, 15,443.24 and 3,278.06

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Solution

The fourth proportional to 10,299.41, 15,443.24 and 3,278.06 is: 4,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.41 : 15,443.24 = 3,278.06 : x
  2. Step 2: Convert to fraction form
    10,299.41/15,443.24 = 3,278.06/x
  3. Step 3: Cross multiply
    10,299.41x = 15,443.24 × 3,278.06
  4. Step 4: Simplify right side
    10,299.41x = 50,623,773.71
  5. Step 5: Solve for x
    x = 50,623,773.71/10,299.41
  6. Step 6: Final answer
    x = 4,915.21

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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.