Home / 11,223.96-15,467.76-8,074.68

Finding the Fourth Proportional to 11,223.96, 15,467.76 and 8,074.68

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Solution

The fourth proportional to 11,223.96, 15,467.76 and 8,074.68 is: 11,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.96 : 15,467.76 = 8,074.68 : x
  2. Step 2: Convert to fraction form
    11,223.96/15,467.76 = 8,074.68/x
  3. Step 3: Cross multiply
    11,223.96x = 15,467.76 × 8,074.68
  4. Step 4: Simplify right side
    11,223.96x = 124,897,212.32
  5. Step 5: Solve for x
    x = 124,897,212.32/11,223.96
  6. Step 6: Final answer
    x = 11,127.73

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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.