Home / 11,937.29-17,906.11-4,538.21

Finding the Fourth Proportional to 11,937.29, 17,906.11 and 4,538.21

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Solution

The fourth proportional to 11,937.29, 17,906.11 and 4,538.21 is: 6,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.29 : 17,906.11 = 4,538.21 : x
  2. Step 2: Convert to fraction form
    11,937.29/17,906.11 = 4,538.21/x
  3. Step 3: Cross multiply
    11,937.29x = 17,906.11 × 4,538.21
  4. Step 4: Simplify right side
    11,937.29x = 81,261,586.59
  5. Step 5: Solve for x
    x = 81,261,586.59/11,937.29
  6. Step 6: Final answer
    x = 6,807.38

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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.