Home / 10,872.01-16,305.77-6,868.18

Finding the Fourth Proportional to 10,872.01, 16,305.77 and 6,868.18

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Solution

The fourth proportional to 10,872.01, 16,305.77 and 6,868.18 is: 10,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.01 : 16,305.77 = 6,868.18 : x
  2. Step 2: Convert to fraction form
    10,872.01/16,305.77 = 6,868.18/x
  3. Step 3: Cross multiply
    10,872.01x = 16,305.77 × 6,868.18
  4. Step 4: Simplify right side
    10,872.01x = 111,990,963.40
  5. Step 5: Solve for x
    x = 111,990,963.40/10,872.01
  6. Step 6: Final answer
    x = 10,300.85

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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.