Home / 7,867.49-11,801.23-5,394.80

Finding the Fourth Proportional to 7,867.49, 11,801.23 and 5,394.80

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Solution

The fourth proportional to 7,867.49, 11,801.23 and 5,394.80 is: 8,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.49 : 11,801.23 = 5,394.80 : x
  2. Step 2: Convert to fraction form
    7,867.49/11,801.23 = 5,394.80/x
  3. Step 3: Cross multiply
    7,867.49x = 11,801.23 × 5,394.80
  4. Step 4: Simplify right side
    7,867.49x = 63,665,291.62
  5. Step 5: Solve for x
    x = 63,665,291.62/7,867.49
  6. Step 6: Final answer
    x = 8,092.20

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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.