Home / 8,261.60-11,399.28-5,237.66

Finding the Fourth Proportional to 8,261.60, 11,399.28 and 5,237.66

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Solution

The fourth proportional to 8,261.60, 11,399.28 and 5,237.66 is: 7,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.60 : 11,399.28 = 5,237.66 : x
  2. Step 2: Convert to fraction form
    8,261.60/11,399.28 = 5,237.66/x
  3. Step 3: Cross multiply
    8,261.60x = 11,399.28 × 5,237.66
  4. Step 4: Simplify right side
    8,261.60x = 59,705,552.88
  5. Step 5: Solve for x
    x = 59,705,552.88/8,261.60
  6. Step 6: Final answer
    x = 7,226.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.