Home / 8,816.94-13,222.53-2,972.70

Finding the Fourth Proportional to 8,816.94, 13,222.53 and 2,972.70

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Solution

The fourth proportional to 8,816.94, 13,222.53 and 2,972.70 is: 4,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.94 : 13,222.53 = 2,972.70 : x
  2. Step 2: Convert to fraction form
    8,816.94/13,222.53 = 2,972.70/x
  3. Step 3: Cross multiply
    8,816.94x = 13,222.53 × 2,972.70
  4. Step 4: Simplify right side
    8,816.94x = 39,306,614.93
  5. Step 5: Solve for x
    x = 39,306,614.93/8,816.94
  6. Step 6: Final answer
    x = 4,458.08

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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.