Home / 11,395.44-15,742.62-11,307.96

Finding the Fourth Proportional to 11,395.44, 15,742.62 and 11,307.96

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Solution

The fourth proportional to 11,395.44, 15,742.62 and 11,307.96 is: 15,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.44 : 15,742.62 = 11,307.96 : x
  2. Step 2: Convert to fraction form
    11,395.44/15,742.62 = 11,307.96/x
  3. Step 3: Cross multiply
    11,395.44x = 15,742.62 × 11,307.96
  4. Step 4: Simplify right side
    11,395.44x = 178,016,917.26
  5. Step 5: Solve for x
    x = 178,016,917.26/11,395.44
  6. Step 6: Final answer
    x = 15,621.77

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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.