Home / 10,136.22-13,987.61-6,361.41

Finding the Fourth Proportional to 10,136.22, 13,987.61 and 6,361.41

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Solution

The fourth proportional to 10,136.22, 13,987.61 and 6,361.41 is: 8,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.22 : 13,987.61 = 6,361.41 : x
  2. Step 2: Convert to fraction form
    10,136.22/13,987.61 = 6,361.41/x
  3. Step 3: Cross multiply
    10,136.22x = 13,987.61 × 6,361.41
  4. Step 4: Simplify right side
    10,136.22x = 88,980,890.32
  5. Step 5: Solve for x
    x = 88,980,890.32/10,136.22
  6. Step 6: Final answer
    x = 8,778.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.