Home / 7,966.12-11,949.22-2,419.52

Finding the Fourth Proportional to 7,966.12, 11,949.22 and 2,419.52

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Solution

The fourth proportional to 7,966.12, 11,949.22 and 2,419.52 is: 3,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.12 : 11,949.22 = 2,419.52 : x
  2. Step 2: Convert to fraction form
    7,966.12/11,949.22 = 2,419.52/x
  3. Step 3: Cross multiply
    7,966.12x = 11,949.22 × 2,419.52
  4. Step 4: Simplify right side
    7,966.12x = 28,911,376.77
  5. Step 5: Solve for x
    x = 28,911,376.77/7,966.12
  6. Step 6: Final answer
    x = 3,629.29

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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.