Home / 9,414.90-14,122.26-2,489.40

Finding the Fourth Proportional to 9,414.90, 14,122.26 and 2,489.40

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Solution

The fourth proportional to 9,414.90, 14,122.26 and 2,489.40 is: 3,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.90 : 14,122.26 = 2,489.40 : x
  2. Step 2: Convert to fraction form
    9,414.90/14,122.26 = 2,489.40/x
  3. Step 3: Cross multiply
    9,414.90x = 14,122.26 × 2,489.40
  4. Step 4: Simplify right side
    9,414.90x = 35,155,954.04
  5. Step 5: Solve for x
    x = 35,155,954.04/9,414.90
  6. Step 6: Final answer
    x = 3,734.08

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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.