Home / 10,917.90-15,067.20-6,202.62

Finding the Fourth Proportional to 10,917.90, 15,067.20 and 6,202.62

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Solution

The fourth proportional to 10,917.90, 15,067.20 and 6,202.62 is: 8,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.90 : 15,067.20 = 6,202.62 : x
  2. Step 2: Convert to fraction form
    10,917.90/15,067.20 = 6,202.62/x
  3. Step 3: Cross multiply
    10,917.90x = 15,067.20 × 6,202.62
  4. Step 4: Simplify right side
    10,917.90x = 93,456,116.06
  5. Step 5: Solve for x
    x = 93,456,116.06/10,917.90
  6. Step 6: Final answer
    x = 8,559.90

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1.5x scale

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.