Home / 11,085.38-15,297.96-6,611.68

Finding the Fourth Proportional to 11,085.38, 15,297.96 and 6,611.68

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Solution

The fourth proportional to 11,085.38, 15,297.96 and 6,611.68 is: 9,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.38 : 15,297.96 = 6,611.68 : x
  2. Step 2: Convert to fraction form
    11,085.38/15,297.96 = 6,611.68/x
  3. Step 3: Cross multiply
    11,085.38x = 15,297.96 × 6,611.68
  4. Step 4: Simplify right side
    11,085.38x = 101,145,216.17
  5. Step 5: Solve for x
    x = 101,145,216.17/11,085.38
  6. Step 6: Final answer
    x = 9,124.20

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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.