Home / 11,251.97-15,528.36-6,777.16

Finding the Fourth Proportional to 11,251.97, 15,528.36 and 6,777.16

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Solution

The fourth proportional to 11,251.97, 15,528.36 and 6,777.16 is: 9,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.97 : 15,528.36 = 6,777.16 : x
  2. Step 2: Convert to fraction form
    11,251.97/15,528.36 = 6,777.16/x
  3. Step 3: Cross multiply
    11,251.97x = 15,528.36 × 6,777.16
  4. Step 4: Simplify right side
    11,251.97x = 105,238,180.26
  5. Step 5: Solve for x
    x = 105,238,180.26/11,251.97
  6. Step 6: Final answer
    x = 9,352.87

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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.