Home / 10,136.16-15,205.46-3,473.78

Finding the Fourth Proportional to 10,136.16, 15,205.46 and 3,473.78

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Solution

The fourth proportional to 10,136.16, 15,205.46 and 3,473.78 is: 5,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.16 : 15,205.46 = 3,473.78 : x
  2. Step 2: Convert to fraction form
    10,136.16/15,205.46 = 3,473.78/x
  3. Step 3: Cross multiply
    10,136.16x = 15,205.46 × 3,473.78
  4. Step 4: Simplify right side
    10,136.16x = 52,820,329.44
  5. Step 5: Solve for x
    x = 52,820,329.44/10,136.16
  6. Step 6: Final answer
    x = 5,211.08

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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.