Home / 8,109.24-11,191.14-4,752

Finding the Fourth Proportional to 8,109.24, 11,191.14 and 4,752

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Solution

The fourth proportional to 8,109.24, 11,191.14 and 4,752 is: 6,557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.24 : 11,191.14 = 4,752 : x
  2. Step 2: Convert to fraction form
    8,109.24/11,191.14 = 4,752/x
  3. Step 3: Cross multiply
    8,109.24x = 11,191.14 × 4,752
  4. Step 4: Simplify right side
    8,109.24x = 53,180,297.28
  5. Step 5: Solve for x
    x = 53,180,297.28/8,109.24
  6. Step 6: Final answer
    x = 6,557.99

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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.