Home / 7,972.27-11,001.88-4,387.37

Finding the Fourth Proportional to 7,972.27, 11,001.88 and 4,387.37

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Solution

The fourth proportional to 7,972.27, 11,001.88 and 4,387.37 is: 6,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.27 : 11,001.88 = 4,387.37 : x
  2. Step 2: Convert to fraction form
    7,972.27/11,001.88 = 4,387.37/x
  3. Step 3: Cross multiply
    7,972.27x = 11,001.88 × 4,387.37
  4. Step 4: Simplify right side
    7,972.27x = 48,269,244.05
  5. Step 5: Solve for x
    x = 48,269,244.05/7,972.27
  6. Step 6: Final answer
    x = 6,054.64

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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.