Home / 11,099.60-16,649.32-3,308.40

Finding the Fourth Proportional to 11,099.60, 16,649.32 and 3,308.40

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Solution

The fourth proportional to 11,099.60, 16,649.32 and 3,308.40 is: 4,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.60 : 16,649.32 = 3,308.40 : x
  2. Step 2: Convert to fraction form
    11,099.60/16,649.32 = 3,308.40/x
  3. Step 3: Cross multiply
    11,099.60x = 16,649.32 × 3,308.40
  4. Step 4: Simplify right side
    11,099.60x = 55,082,610.29
  5. Step 5: Solve for x
    x = 55,082,610.29/11,099.60
  6. Step 6: Final answer
    x = 4,962.58

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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.