Home / 7,981.24-11,973.78-3,050.92

Finding the Fourth Proportional to 7,981.24, 11,973.78 and 3,050.92

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Solution

The fourth proportional to 7,981.24, 11,973.78 and 3,050.92 is: 4,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.24 : 11,973.78 = 3,050.92 : x
  2. Step 2: Convert to fraction form
    7,981.24/11,973.78 = 3,050.92/x
  3. Step 3: Cross multiply
    7,981.24x = 11,973.78 × 3,050.92
  4. Step 4: Simplify right side
    7,981.24x = 36,531,044.88
  5. Step 5: Solve for x
    x = 36,531,044.88/7,981.24
  6. Step 6: Final answer
    x = 4,577.11

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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.