Home / 10,371.66-15,552.80-2,974.42

Finding the Fourth Proportional to 10,371.66, 15,552.80 and 2,974.42

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Solution

The fourth proportional to 10,371.66, 15,552.80 and 2,974.42 is: 4,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.66 : 15,552.80 = 2,974.42 : x
  2. Step 2: Convert to fraction form
    10,371.66/15,552.80 = 2,974.42/x
  3. Step 3: Cross multiply
    10,371.66x = 15,552.80 × 2,974.42
  4. Step 4: Simplify right side
    10,371.66x = 46,260,559.38
  5. Step 5: Solve for x
    x = 46,260,559.38/10,371.66
  6. Step 6: Final answer
    x = 4,460.28

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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.