Home / 11,314.22-15,611.54-6,775.52

Finding the Fourth Proportional to 11,314.22, 15,611.54 and 6,775.52

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Solution

The fourth proportional to 11,314.22, 15,611.54 and 6,775.52 is: 9,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.22 : 15,611.54 = 6,775.52 : x
  2. Step 2: Convert to fraction form
    11,314.22/15,611.54 = 6,775.52/x
  3. Step 3: Cross multiply
    11,314.22x = 15,611.54 × 6,775.52
  4. Step 4: Simplify right side
    11,314.22x = 105,776,189.57
  5. Step 5: Solve for x
    x = 105,776,189.57/11,314.22
  6. Step 6: Final answer
    x = 9,348.96

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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.