Home / 7,557.32-11,324.44-3,172.39

Finding the Fourth Proportional to 7,557.32, 11,324.44 and 3,172.39

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Solution

The fourth proportional to 7,557.32, 11,324.44 and 3,172.39 is: 4,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.32 : 11,324.44 = 3,172.39 : x
  2. Step 2: Convert to fraction form
    7,557.32/11,324.44 = 3,172.39/x
  3. Step 3: Cross multiply
    7,557.32x = 11,324.44 × 3,172.39
  4. Step 4: Simplify right side
    7,557.32x = 35,925,540.21
  5. Step 5: Solve for x
    x = 35,925,540.21/7,557.32
  6. Step 6: Final answer
    x = 4,753.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.