Home / 11,858.04-17,787.05-3,543.89

Finding the Fourth Proportional to 11,858.04, 17,787.05 and 3,543.89

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Solution

The fourth proportional to 11,858.04, 17,787.05 and 3,543.89 is: 5,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.04 : 17,787.05 = 3,543.89 : x
  2. Step 2: Convert to fraction form
    11,858.04/17,787.05 = 3,543.89/x
  3. Step 3: Cross multiply
    11,858.04x = 17,787.05 × 3,543.89
  4. Step 4: Simplify right side
    11,858.04x = 63,035,348.62
  5. Step 5: Solve for x
    x = 63,035,348.62/11,858.04
  6. Step 6: Final answer
    x = 5,315.83

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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.