Home / 10,922.99-16,380.33-3,901.70

Finding the Fourth Proportional to 10,922.99, 16,380.33 and 3,901.70

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Solution

The fourth proportional to 10,922.99, 16,380.33 and 3,901.70 is: 5,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.99 : 16,380.33 = 3,901.70 : x
  2. Step 2: Convert to fraction form
    10,922.99/16,380.33 = 3,901.70/x
  3. Step 3: Cross multiply
    10,922.99x = 16,380.33 × 3,901.70
  4. Step 4: Simplify right side
    10,922.99x = 63,911,159.88
  5. Step 5: Solve for x
    x = 63,911,159.88/10,922.99
  6. Step 6: Final answer
    x = 5,851.07

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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.