Home / 11,729.36-17,594.11-3,938.17

Finding the Fourth Proportional to 11,729.36, 17,594.11 and 3,938.17

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Solution

The fourth proportional to 11,729.36, 17,594.11 and 3,938.17 is: 5,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.36 : 17,594.11 = 3,938.17 : x
  2. Step 2: Convert to fraction form
    11,729.36/17,594.11 = 3,938.17/x
  3. Step 3: Cross multiply
    11,729.36x = 17,594.11 × 3,938.17
  4. Step 4: Simplify right side
    11,729.36x = 69,288,590.11
  5. Step 5: Solve for x
    x = 69,288,590.11/11,729.36
  6. Step 6: Final answer
    x = 5,907.28

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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.