Home / 9,418.14-14,126.28-5,719.38

Finding the Fourth Proportional to 9,418.14, 14,126.28 and 5,719.38

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Solution

The fourth proportional to 9,418.14, 14,126.28 and 5,719.38 is: 8,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.14 : 14,126.28 = 5,719.38 : x
  2. Step 2: Convert to fraction form
    9,418.14/14,126.28 = 5,719.38/x
  3. Step 3: Cross multiply
    9,418.14x = 14,126.28 × 5,719.38
  4. Step 4: Simplify right side
    9,418.14x = 80,793,563.31
  5. Step 5: Solve for x
    x = 80,793,563.31/9,418.14
  6. Step 6: Final answer
    x = 8,578.51

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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.