Home / 11,228.12-15,494.82-6,751.92

Finding the Fourth Proportional to 11,228.12, 15,494.82 and 6,751.92

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Solution

The fourth proportional to 11,228.12, 15,494.82 and 6,751.92 is: 9,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.12 : 15,494.82 = 6,751.92 : x
  2. Step 2: Convert to fraction form
    11,228.12/15,494.82 = 6,751.92/x
  3. Step 3: Cross multiply
    11,228.12x = 15,494.82 × 6,751.92
  4. Step 4: Simplify right side
    11,228.12x = 104,619,785.05
  5. Step 5: Solve for x
    x = 104,619,785.05/11,228.12
  6. Step 6: Final answer
    x = 9,317.66

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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.