Home / 12,347.99-18,524.82-3,583.61

Finding the Fourth Proportional to 12,347.99, 18,524.82 and 3,583.61

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Solution

The fourth proportional to 12,347.99, 18,524.82 and 3,583.61 is: 5,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.99 : 18,524.82 = 3,583.61 : x
  2. Step 2: Convert to fraction form
    12,347.99/18,524.82 = 3,583.61/x
  3. Step 3: Cross multiply
    12,347.99x = 18,524.82 × 3,583.61
  4. Step 4: Simplify right side
    12,347.99x = 66,385,730.20
  5. Step 5: Solve for x
    x = 66,385,730.20/12,347.99
  6. Step 6: Final answer
    x = 5,376.24

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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.