Home / 12,087.95-18,131.94-3,323.57

Finding the Fourth Proportional to 12,087.95, 18,131.94 and 3,323.57

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Solution

The fourth proportional to 12,087.95, 18,131.94 and 3,323.57 is: 4,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.95 : 18,131.94 = 3,323.57 : x
  2. Step 2: Convert to fraction form
    12,087.95/18,131.94 = 3,323.57/x
  3. Step 3: Cross multiply
    12,087.95x = 18,131.94 × 3,323.57
  4. Step 4: Simplify right side
    12,087.95x = 60,262,681.17
  5. Step 5: Solve for x
    x = 60,262,681.17/12,087.95
  6. Step 6: Final answer
    x = 4,985.35

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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.