Home / 11,054.80-15,251.88-6,801.49

Finding the Fourth Proportional to 11,054.80, 15,251.88 and 6,801.49

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Solution

The fourth proportional to 11,054.80, 15,251.88 and 6,801.49 is: 9,383.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.80 : 15,251.88 = 6,801.49 : x
  2. Step 2: Convert to fraction form
    11,054.80/15,251.88 = 6,801.49/x
  3. Step 3: Cross multiply
    11,054.80x = 15,251.88 × 6,801.49
  4. Step 4: Simplify right side
    11,054.80x = 103,735,509.30
  5. Step 5: Solve for x
    x = 103,735,509.30/11,054.80
  6. Step 6: Final answer
    x = 9,383.75

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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.