Home / 11,085.02-15,297.48-6,611.37

Finding the Fourth Proportional to 11,085.02, 15,297.48 and 6,611.37

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Solution

The fourth proportional to 11,085.02, 15,297.48 and 6,611.37 is: 9,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.02 : 15,297.48 = 6,611.37 : x
  2. Step 2: Convert to fraction form
    11,085.02/15,297.48 = 6,611.37/x
  3. Step 3: Cross multiply
    11,085.02x = 15,297.48 × 6,611.37
  4. Step 4: Simplify right side
    11,085.02x = 101,137,300.35
  5. Step 5: Solve for x
    x = 101,137,300.35/11,085.02
  6. Step 6: Final answer
    x = 9,123.79

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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.