Home / 12,356.24-18,531.06-3,471.06

Finding the Fourth Proportional to 12,356.24, 18,531.06 and 3,471.06

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Solution

The fourth proportional to 12,356.24, 18,531.06 and 3,471.06 is: 5,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.24 : 18,531.06 = 3,471.06 : x
  2. Step 2: Convert to fraction form
    12,356.24/18,531.06 = 3,471.06/x
  3. Step 3: Cross multiply
    12,356.24x = 18,531.06 × 3,471.06
  4. Step 4: Simplify right side
    12,356.24x = 64,322,421.12
  5. Step 5: Solve for x
    x = 64,322,421.12/12,356.24
  6. Step 6: Final answer
    x = 5,205.66

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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.