Home / 11,023.16-15,201.43-7,249.50

Finding the Fourth Proportional to 11,023.16, 15,201.43 and 7,249.50

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Solution

The fourth proportional to 11,023.16, 15,201.43 and 7,249.50 is: 9,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.16 : 15,201.43 = 7,249.50 : x
  2. Step 2: Convert to fraction form
    11,023.16/15,201.43 = 7,249.50/x
  3. Step 3: Cross multiply
    11,023.16x = 15,201.43 × 7,249.50
  4. Step 4: Simplify right side
    11,023.16x = 110,202,748.66
  5. Step 5: Solve for x
    x = 110,202,748.66/11,023.16
  6. Step 6: Final answer
    x = 9,997.39

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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.