Home / 7,997.78-11,036.84-4,641.17

Finding the Fourth Proportional to 7,997.78, 11,036.84 and 4,641.17

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Solution

The fourth proportional to 7,997.78, 11,036.84 and 4,641.17 is: 6,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.78 : 11,036.84 = 4,641.17 : x
  2. Step 2: Convert to fraction form
    7,997.78/11,036.84 = 4,641.17/x
  3. Step 3: Cross multiply
    7,997.78x = 11,036.84 × 4,641.17
  4. Step 4: Simplify right side
    7,997.78x = 51,223,772.31
  5. Step 5: Solve for x
    x = 51,223,772.31/7,997.78
  6. Step 6: Final answer
    x = 6,404.75

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Double scale
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Similar ratio
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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.