Home / 7,011.25-9,675.45-3,867.44

Finding the Fourth Proportional to 7,011.25, 9,675.45 and 3,867.44

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Solution

The fourth proportional to 7,011.25, 9,675.45 and 3,867.44 is: 5,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.25 : 9,675.45 = 3,867.44 : x
  2. Step 2: Convert to fraction form
    7,011.25/9,675.45 = 3,867.44/x
  3. Step 3: Cross multiply
    7,011.25x = 9,675.45 × 3,867.44
  4. Step 4: Simplify right side
    7,011.25x = 37,419,173.97
  5. Step 5: Solve for x
    x = 37,419,173.97/7,011.25
  6. Step 6: Final answer
    x = 5,337.02

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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.