Home / 11,333.40-17,000.30-3,938.10

Finding the Fourth Proportional to 11,333.40, 17,000.30 and 3,938.10

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Solution

The fourth proportional to 11,333.40, 17,000.30 and 3,938.10 is: 5,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.40 : 17,000.30 = 3,938.10 : x
  2. Step 2: Convert to fraction form
    11,333.40/17,000.30 = 3,938.10/x
  3. Step 3: Cross multiply
    11,333.40x = 17,000.30 × 3,938.10
  4. Step 4: Simplify right side
    11,333.40x = 66,948,881.43
  5. Step 5: Solve for x
    x = 66,948,881.43/11,333.40
  6. Step 6: Final answer
    x = 5,907.22

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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.