Home / 7,384.60-11,067.30-5,330.20

Finding the Fourth Proportional to 7,384.60, 11,067.30 and 5,330.20

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Solution

The fourth proportional to 7,384.60, 11,067.30 and 5,330.20 is: 7,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.60 : 11,067.30 = 5,330.20 : x
  2. Step 2: Convert to fraction form
    7,384.60/11,067.30 = 5,330.20/x
  3. Step 3: Cross multiply
    7,384.60x = 11,067.30 × 5,330.20
  4. Step 4: Simplify right side
    7,384.60x = 58,990,922.46
  5. Step 5: Solve for x
    x = 58,990,922.46/7,384.60
  6. Step 6: Final answer
    x = 7,988.37

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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.