Home / 10,922.25-16,387.49-6,542.85

Finding the Fourth Proportional to 10,922.25, 16,387.49 and 6,542.85

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Solution

The fourth proportional to 10,922.25, 16,387.49 and 6,542.85 is: 9,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.25 : 16,387.49 = 6,542.85 : x
  2. Step 2: Convert to fraction form
    10,922.25/16,387.49 = 6,542.85/x
  3. Step 3: Cross multiply
    10,922.25x = 16,387.49 × 6,542.85
  4. Step 4: Simplify right side
    10,922.25x = 107,220,888.95
  5. Step 5: Solve for x
    x = 107,220,888.95/10,922.25
  6. Step 6: Final answer
    x = 9,816.74

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1.5x scale

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.