Home / 8,788.91-13,187.69-4,109.24

Finding the Fourth Proportional to 8,788.91, 13,187.69 and 4,109.24

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Solution

The fourth proportional to 8,788.91, 13,187.69 and 4,109.24 is: 6,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.91 : 13,187.69 = 4,109.24 : x
  2. Step 2: Convert to fraction form
    8,788.91/13,187.69 = 4,109.24/x
  3. Step 3: Cross multiply
    8,788.91x = 13,187.69 × 4,109.24
  4. Step 4: Simplify right side
    8,788.91x = 54,191,383.26
  5. Step 5: Solve for x
    x = 54,191,383.26/8,788.91
  6. Step 6: Final answer
    x = 6,165.88

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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.