Home / 7,389.78-11,086.30-2,460.12

Finding the Fourth Proportional to 7,389.78, 11,086.30 and 2,460.12

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Solution

The fourth proportional to 7,389.78, 11,086.30 and 2,460.12 is: 3,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.78 : 11,086.30 = 2,460.12 : x
  2. Step 2: Convert to fraction form
    7,389.78/11,086.30 = 2,460.12/x
  3. Step 3: Cross multiply
    7,389.78x = 11,086.30 × 2,460.12
  4. Step 4: Simplify right side
    7,389.78x = 27,273,628.36
  5. Step 5: Solve for x
    x = 27,273,628.36/7,389.78
  6. Step 6: Final answer
    x = 3,690.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.