Home / 7,924.79-11,876.69-4,219.04

Finding the Fourth Proportional to 7,924.79, 11,876.69 and 4,219.04

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Solution

The fourth proportional to 7,924.79, 11,876.69 and 4,219.04 is: 6,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.79 : 11,876.69 = 4,219.04 : x
  2. Step 2: Convert to fraction form
    7,924.79/11,876.69 = 4,219.04/x
  3. Step 3: Cross multiply
    7,924.79x = 11,876.69 × 4,219.04
  4. Step 4: Simplify right side
    7,924.79x = 50,108,149.70
  5. Step 5: Solve for x
    x = 50,108,149.70/7,924.79
  6. Step 6: Final answer
    x = 6,322.97

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1.5x scale

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.