Home / 11,187.76-16,771.16-3,787.04

Finding the Fourth Proportional to 11,187.76, 16,771.16 and 3,787.04

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Solution

The fourth proportional to 11,187.76, 16,771.16 and 3,787.04 is: 5,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.76 : 16,771.16 = 3,787.04 : x
  2. Step 2: Convert to fraction form
    11,187.76/16,771.16 = 3,787.04/x
  3. Step 3: Cross multiply
    11,187.76x = 16,771.16 × 3,787.04
  4. Step 4: Simplify right side
    11,187.76x = 63,513,053.77
  5. Step 5: Solve for x
    x = 63,513,053.77/11,187.76
  6. Step 6: Final answer
    x = 5,677.01

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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.