Home / 36,087.75-54,136.62-11,129.76

Finding the Fourth Proportional to 36,087.75, 54,136.62 and 11,129.76

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Solution

The fourth proportional to 36,087.75, 54,136.62 and 11,129.76 is: 16,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.75 : 54,136.62 = 11,129.76 : x
  2. Step 2: Convert to fraction form
    36,087.75/54,136.62 = 11,129.76/x
  3. Step 3: Cross multiply
    36,087.75x = 54,136.62 × 11,129.76
  4. Step 4: Simplify right side
    36,087.75x = 602,527,587.81
  5. Step 5: Solve for x
    x = 602,527,587.81/36,087.75
  6. Step 6: Final answer
    x = 16,696.18

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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.