Home / 11,291.16-15,576.84-6,572.64

Finding the Fourth Proportional to 11,291.16, 15,576.84 and 6,572.64

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Solution

The fourth proportional to 11,291.16, 15,576.84 and 6,572.64 is: 9,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.16 : 15,576.84 = 6,572.64 : x
  2. Step 2: Convert to fraction form
    11,291.16/15,576.84 = 6,572.64/x
  3. Step 3: Cross multiply
    11,291.16x = 15,576.84 × 6,572.64
  4. Step 4: Simplify right side
    11,291.16x = 102,380,961.66
  5. Step 5: Solve for x
    x = 102,380,961.66/11,291.16
  6. Step 6: Final answer
    x = 9,067.36

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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.