Home / 9,974.16-14,961.29-2,578.10

Finding the Fourth Proportional to 9,974.16, 14,961.29 and 2,578.10

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Solution

The fourth proportional to 9,974.16, 14,961.29 and 2,578.10 is: 3,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.16 : 14,961.29 = 2,578.10 : x
  2. Step 2: Convert to fraction form
    9,974.16/14,961.29 = 2,578.10/x
  3. Step 3: Cross multiply
    9,974.16x = 14,961.29 × 2,578.10
  4. Step 4: Simplify right side
    9,974.16x = 38,571,614.05
  5. Step 5: Solve for x
    x = 38,571,614.05/9,974.16
  6. Step 6: Final answer
    x = 3,867.15

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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.