Home / 12,587.75-18,881.62-5,993.94

Finding the Fourth Proportional to 12,587.75, 18,881.62 and 5,993.94

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Solution

The fourth proportional to 12,587.75, 18,881.62 and 5,993.94 is: 8,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.75 : 18,881.62 = 5,993.94 : x
  2. Step 2: Convert to fraction form
    12,587.75/18,881.62 = 5,993.94/x
  3. Step 3: Cross multiply
    12,587.75x = 18,881.62 × 5,993.94
  4. Step 4: Simplify right side
    12,587.75x = 113,175,308.53
  5. Step 5: Solve for x
    x = 113,175,308.53/12,587.75
  6. Step 6: Final answer
    x = 8,990.91

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Similar ratio
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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.