Home / 6,117.97-9,177.78-2,223.49

Finding the Fourth Proportional to 6,117.97, 9,177.78 and 2,223.49

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Solution

The fourth proportional to 6,117.97, 9,177.78 and 2,223.49 is: 3,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.97 : 9,177.78 = 2,223.49 : x
  2. Step 2: Convert to fraction form
    6,117.97/9,177.78 = 2,223.49/x
  3. Step 3: Cross multiply
    6,117.97x = 9,177.78 × 2,223.49
  4. Step 4: Simplify right side
    6,117.97x = 20,406,702.05
  5. Step 5: Solve for x
    x = 20,406,702.05/6,117.97
  6. Step 6: Final answer
    x = 3,335.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.