Home / 11,758.62-16,223.32-6,722.58

Finding the Fourth Proportional to 11,758.62, 16,223.32 and 6,722.58

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Solution

The fourth proportional to 11,758.62, 16,223.32 and 6,722.58 is: 9,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.62 : 16,223.32 = 6,722.58 : x
  2. Step 2: Convert to fraction form
    11,758.62/16,223.32 = 6,722.58/x
  3. Step 3: Cross multiply
    11,758.62x = 16,223.32 × 6,722.58
  4. Step 4: Simplify right side
    11,758.62x = 109,062,566.57
  5. Step 5: Solve for x
    x = 109,062,566.57/11,758.62
  6. Step 6: Final answer
    x = 9,275.12

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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.