Home / 7,972.84-11,002.44-4,435.99

Finding the Fourth Proportional to 7,972.84, 11,002.44 and 4,435.99

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Solution

The fourth proportional to 7,972.84, 11,002.44 and 4,435.99 is: 6,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.84 : 11,002.44 = 4,435.99 : x
  2. Step 2: Convert to fraction form
    7,972.84/11,002.44 = 4,435.99/x
  3. Step 3: Cross multiply
    7,972.84x = 11,002.44 × 4,435.99
  4. Step 4: Simplify right side
    7,972.84x = 48,806,713.82
  5. Step 5: Solve for x
    x = 48,806,713.82/7,972.84
  6. Step 6: Final answer
    x = 6,121.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.