Home / 7,972.62-11,001.99-4,435.75

Finding the Fourth Proportional to 7,972.62, 11,001.99 and 4,435.75

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Solution

The fourth proportional to 7,972.62, 11,001.99 and 4,435.75 is: 6,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.62 : 11,001.99 = 4,435.75 : x
  2. Step 2: Convert to fraction form
    7,972.62/11,001.99 = 4,435.75/x
  3. Step 3: Cross multiply
    7,972.62x = 11,001.99 × 4,435.75
  4. Step 4: Simplify right side
    7,972.62x = 48,802,077.14
  5. Step 5: Solve for x
    x = 48,802,077.14/7,972.62
  6. Step 6: Final answer
    x = 6,121.21

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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.