Home / 12,375.54-18,566.04-3,611.14

Finding the Fourth Proportional to 12,375.54, 18,566.04 and 3,611.14

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Solution

The fourth proportional to 12,375.54, 18,566.04 and 3,611.14 is: 5,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.54 : 18,566.04 = 3,611.14 : x
  2. Step 2: Convert to fraction form
    12,375.54/18,566.04 = 3,611.14/x
  3. Step 3: Cross multiply
    12,375.54x = 18,566.04 × 3,611.14
  4. Step 4: Simplify right side
    12,375.54x = 67,044,569.69
  5. Step 5: Solve for x
    x = 67,044,569.69/12,375.54
  6. Step 6: Final answer
    x = 5,417.51

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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.