Home / 11,247.14-15,525.56-6,774.72

Finding the Fourth Proportional to 11,247.14, 15,525.56 and 6,774.72

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Solution

The fourth proportional to 11,247.14, 15,525.56 and 6,774.72 is: 9,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.14 : 15,525.56 = 6,774.72 : x
  2. Step 2: Convert to fraction form
    11,247.14/15,525.56 = 6,774.72/x
  3. Step 3: Cross multiply
    11,247.14x = 15,525.56 × 6,774.72
  4. Step 4: Simplify right side
    11,247.14x = 105,181,321.84
  5. Step 5: Solve for x
    x = 105,181,321.84/11,247.14
  6. Step 6: Final answer
    x = 9,351.83

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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.