Home / 12,076.88-16,652.05-11,329.65

Finding the Fourth Proportional to 12,076.88, 16,652.05 and 11,329.65

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Solution

The fourth proportional to 12,076.88, 16,652.05 and 11,329.65 is: 15,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.88 : 16,652.05 = 11,329.65 : x
  2. Step 2: Convert to fraction form
    12,076.88/16,652.05 = 11,329.65/x
  3. Step 3: Cross multiply
    12,076.88x = 16,652.05 × 11,329.65
  4. Step 4: Simplify right side
    12,076.88x = 188,661,869.96
  5. Step 5: Solve for x
    x = 188,661,869.96/12,076.88
  6. Step 6: Final answer
    x = 15,621.75

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1.5x scale

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.