Home / 11,102.12-15,320.66-6,066.35

Finding the Fourth Proportional to 11,102.12, 15,320.66 and 6,066.35

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Solution

The fourth proportional to 11,102.12, 15,320.66 and 6,066.35 is: 8,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.12 : 15,320.66 = 6,066.35 : x
  2. Step 2: Convert to fraction form
    11,102.12/15,320.66 = 6,066.35/x
  3. Step 3: Cross multiply
    11,102.12x = 15,320.66 × 6,066.35
  4. Step 4: Simplify right side
    11,102.12x = 92,940,539.26
  5. Step 5: Solve for x
    x = 92,940,539.26/11,102.12
  6. Step 6: Final answer
    x = 8,371.42

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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.