Home / 11,308.10-16,962.15-3,100.10

Finding the Fourth Proportional to 11,308.10, 16,962.15 and 3,100.10

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Solution

The fourth proportional to 11,308.10, 16,962.15 and 3,100.10 is: 4,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.10 : 16,962.15 = 3,100.10 : x
  2. Step 2: Convert to fraction form
    11,308.10/16,962.15 = 3,100.10/x
  3. Step 3: Cross multiply
    11,308.10x = 16,962.15 × 3,100.10
  4. Step 4: Simplify right side
    11,308.10x = 52,584,361.22
  5. Step 5: Solve for x
    x = 52,584,361.22/11,308.10
  6. Step 6: Final answer
    x = 4,650.15

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Similar ratio
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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.