Home / 7,922.19-11,876.61-4,994.04

Finding the Fourth Proportional to 7,922.19, 11,876.61 and 4,994.04

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Solution

The fourth proportional to 7,922.19, 11,876.61 and 4,994.04 is: 7,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.19 : 11,876.61 = 4,994.04 : x
  2. Step 2: Convert to fraction form
    7,922.19/11,876.61 = 4,994.04/x
  3. Step 3: Cross multiply
    7,922.19x = 11,876.61 × 4,994.04
  4. Step 4: Simplify right side
    7,922.19x = 59,312,265.40
  5. Step 5: Solve for x
    x = 59,312,265.40/7,922.19
  6. Step 6: Final answer
    x = 7,486.85

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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.