Home / 11,490.62-17,238.63-3,699.14

Finding the Fourth Proportional to 11,490.62, 17,238.63 and 3,699.14

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Solution

The fourth proportional to 11,490.62, 17,238.63 and 3,699.14 is: 5,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.62 : 17,238.63 = 3,699.14 : x
  2. Step 2: Convert to fraction form
    11,490.62/17,238.63 = 3,699.14/x
  3. Step 3: Cross multiply
    11,490.62x = 17,238.63 × 3,699.14
  4. Step 4: Simplify right side
    11,490.62x = 63,768,105.78
  5. Step 5: Solve for x
    x = 63,768,105.78/11,490.62
  6. Step 6: Final answer
    x = 5,549.58

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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.