Home / 10,374.38-15,561.56-3,360.25

Finding the Fourth Proportional to 10,374.38, 15,561.56 and 3,360.25

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Solution

The fourth proportional to 10,374.38, 15,561.56 and 3,360.25 is: 5,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.38 : 15,561.56 = 3,360.25 : x
  2. Step 2: Convert to fraction form
    10,374.38/15,561.56 = 3,360.25/x
  3. Step 3: Cross multiply
    10,374.38x = 15,561.56 × 3,360.25
  4. Step 4: Simplify right side
    10,374.38x = 52,290,731.99
  5. Step 5: Solve for x
    x = 52,290,731.99/10,374.38
  6. Step 6: Final answer
    x = 5,040.37

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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.