Home / 11,076.75-16,615.13-2,868.75

Finding the Fourth Proportional to 11,076.75, 16,615.13 and 2,868.75

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Solution

The fourth proportional to 11,076.75, 16,615.13 and 2,868.75 is: 4,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.75 : 16,615.13 = 2,868.75 : x
  2. Step 2: Convert to fraction form
    11,076.75/16,615.13 = 2,868.75/x
  3. Step 3: Cross multiply
    11,076.75x = 16,615.13 × 2,868.75
  4. Step 4: Simplify right side
    11,076.75x = 47,664,639.84
  5. Step 5: Solve for x
    x = 47,664,639.84/11,076.75
  6. Step 6: Final answer
    x = 4,303.13

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Similar ratio
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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.