Home / 11,017.92-15,198.54-6,540.85

Finding the Fourth Proportional to 11,017.92, 15,198.54 and 6,540.85

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Solution

The fourth proportional to 11,017.92, 15,198.54 and 6,540.85 is: 9,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.92 : 15,198.54 = 6,540.85 : x
  2. Step 2: Convert to fraction form
    11,017.92/15,198.54 = 6,540.85/x
  3. Step 3: Cross multiply
    11,017.92x = 15,198.54 × 6,540.85
  4. Step 4: Simplify right side
    11,017.92x = 99,411,364.83
  5. Step 5: Solve for x
    x = 99,411,364.83/11,017.92
  6. Step 6: Final answer
    x = 9,022.69

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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.