Home / 7,966.22-11,948.55-2,419.61

Finding the Fourth Proportional to 7,966.22, 11,948.55 and 2,419.61

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Solution

The fourth proportional to 7,966.22, 11,948.55 and 2,419.61 is: 3,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.22 : 11,948.55 = 2,419.61 : x
  2. Step 2: Convert to fraction form
    7,966.22/11,948.55 = 2,419.61/x
  3. Step 3: Cross multiply
    7,966.22x = 11,948.55 × 2,419.61
  4. Step 4: Simplify right side
    7,966.22x = 28,910,762.25
  5. Step 5: Solve for x
    x = 28,910,762.25/7,966.22
  6. Step 6: Final answer
    x = 3,629.17

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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.