Home / 11,023.40-15,203.48-7,250.43

Finding the Fourth Proportional to 11,023.40, 15,203.48 and 7,250.43

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Solution

The fourth proportional to 11,023.40, 15,203.48 and 7,250.43 is: 9,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.40 : 15,203.48 = 7,250.43 : x
  2. Step 2: Convert to fraction form
    11,023.40/15,203.48 = 7,250.43/x
  3. Step 3: Cross multiply
    11,023.40x = 15,203.48 × 7,250.43
  4. Step 4: Simplify right side
    11,023.40x = 110,231,731.24
  5. Step 5: Solve for x
    x = 110,231,731.24/11,023.40
  6. Step 6: Final answer
    x = 9,999.80

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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.