Home / 8,670.24-11,964.87-4,691.31

Finding the Fourth Proportional to 8,670.24, 11,964.87 and 4,691.31

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Solution

The fourth proportional to 8,670.24, 11,964.87 and 4,691.31 is: 6,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.24 : 11,964.87 = 4,691.31 : x
  2. Step 2: Convert to fraction form
    8,670.24/11,964.87 = 4,691.31/x
  3. Step 3: Cross multiply
    8,670.24x = 11,964.87 × 4,691.31
  4. Step 4: Simplify right side
    8,670.24x = 56,130,914.28
  5. Step 5: Solve for x
    x = 56,130,914.28/8,670.24
  6. Step 6: Final answer
    x = 6,473.97

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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.