Home / 7,112.30-10,667.10-2,182.10

Finding the Fourth Proportional to 7,112.30, 10,667.10 and 2,182.10

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Solution

The fourth proportional to 7,112.30, 10,667.10 and 2,182.10 is: 3,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.30 : 10,667.10 = 2,182.10 : x
  2. Step 2: Convert to fraction form
    7,112.30/10,667.10 = 2,182.10/x
  3. Step 3: Cross multiply
    7,112.30x = 10,667.10 × 2,182.10
  4. Step 4: Simplify right side
    7,112.30x = 23,276,678.91
  5. Step 5: Solve for x
    x = 23,276,678.91/7,112.30
  6. Step 6: Final answer
    x = 3,272.74

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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.