Home / 11,257.14-15,534.06-6,221.30

Finding the Fourth Proportional to 11,257.14, 15,534.06 and 6,221.30

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Solution

The fourth proportional to 11,257.14, 15,534.06 and 6,221.30 is: 8,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.14 : 15,534.06 = 6,221.30 : x
  2. Step 2: Convert to fraction form
    11,257.14/15,534.06 = 6,221.30/x
  3. Step 3: Cross multiply
    11,257.14x = 15,534.06 × 6,221.30
  4. Step 4: Simplify right side
    11,257.14x = 96,642,047.48
  5. Step 5: Solve for x
    x = 96,642,047.48/11,257.14
  6. Step 6: Final answer
    x = 8,584.96

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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.