Home / 9,136.84-13,694.28-4,199.68

Finding the Fourth Proportional to 9,136.84, 13,694.28 and 4,199.68

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Solution

The fourth proportional to 9,136.84, 13,694.28 and 4,199.68 is: 6,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.84 : 13,694.28 = 4,199.68 : x
  2. Step 2: Convert to fraction form
    9,136.84/13,694.28 = 4,199.68/x
  3. Step 3: Cross multiply
    9,136.84x = 13,694.28 × 4,199.68
  4. Step 4: Simplify right side
    9,136.84x = 57,511,593.83
  5. Step 5: Solve for x
    x = 57,511,593.83/9,136.84
  6. Step 6: Final answer
    x = 6,294.47

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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.