Home / 11,699.84-17,550.07-3,380.13

Finding the Fourth Proportional to 11,699.84, 17,550.07 and 3,380.13

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Solution

The fourth proportional to 11,699.84, 17,550.07 and 3,380.13 is: 5,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.84 : 17,550.07 = 3,380.13 : x
  2. Step 2: Convert to fraction form
    11,699.84/17,550.07 = 3,380.13/x
  3. Step 3: Cross multiply
    11,699.84x = 17,550.07 × 3,380.13
  4. Step 4: Simplify right side
    11,699.84x = 59,321,509.66
  5. Step 5: Solve for x
    x = 59,321,509.66/11,699.84
  6. Step 6: Final answer
    x = 5,070.28

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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.