Home / 11,425.62-15,767.57-6,949.56

Finding the Fourth Proportional to 11,425.62, 15,767.57 and 6,949.56

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Solution

The fourth proportional to 11,425.62, 15,767.57 and 6,949.56 is: 9,590.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.62 : 15,767.57 = 6,949.56 : x
  2. Step 2: Convert to fraction form
    11,425.62/15,767.57 = 6,949.56/x
  3. Step 3: Cross multiply
    11,425.62x = 15,767.57 × 6,949.56
  4. Step 4: Simplify right side
    11,425.62x = 109,577,673.77
  5. Step 5: Solve for x
    x = 109,577,673.77/11,425.62
  6. Step 6: Final answer
    x = 9,590.52

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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.