Home / 12,087.92-18,114.60-6,883.04

Finding the Fourth Proportional to 12,087.92, 18,114.60 and 6,883.04

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Solution

The fourth proportional to 12,087.92, 18,114.60 and 6,883.04 is: 10,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.92 : 18,114.60 = 6,883.04 : x
  2. Step 2: Convert to fraction form
    12,087.92/18,114.60 = 6,883.04/x
  3. Step 3: Cross multiply
    12,087.92x = 18,114.60 × 6,883.04
  4. Step 4: Simplify right side
    12,087.92x = 124,683,516.38
  5. Step 5: Solve for x
    x = 124,683,516.38/12,087.92
  6. Step 6: Final answer
    x = 10,314.72

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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.