Home / 8,948.74-13,419.69-2,943.42

Finding the Fourth Proportional to 8,948.74, 13,419.69 and 2,943.42

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Solution

The fourth proportional to 8,948.74, 13,419.69 and 2,943.42 is: 4,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.74 : 13,419.69 = 2,943.42 : x
  2. Step 2: Convert to fraction form
    8,948.74/13,419.69 = 2,943.42/x
  3. Step 3: Cross multiply
    8,948.74x = 13,419.69 × 2,943.42
  4. Step 4: Simplify right side
    8,948.74x = 39,499,722.58
  5. Step 5: Solve for x
    x = 39,499,722.58/8,948.74
  6. Step 6: Final answer
    x = 4,414.00

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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.