Home / 11,284.88-16,917.12-5,358.11

Finding the Fourth Proportional to 11,284.88, 16,917.12 and 5,358.11

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Solution

The fourth proportional to 11,284.88, 16,917.12 and 5,358.11 is: 8,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.88 : 16,917.12 = 5,358.11 : x
  2. Step 2: Convert to fraction form
    11,284.88/16,917.12 = 5,358.11/x
  3. Step 3: Cross multiply
    11,284.88x = 16,917.12 × 5,358.11
  4. Step 4: Simplify right side
    11,284.88x = 90,643,705.26
  5. Step 5: Solve for x
    x = 90,643,705.26/11,284.88
  6. Step 6: Final answer
    x = 8,032.32

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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.