Home / 7,892.40-11,837.46-2,345.52

Finding the Fourth Proportional to 7,892.40, 11,837.46 and 2,345.52

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Solution

The fourth proportional to 7,892.40, 11,837.46 and 2,345.52 is: 3,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.40 : 11,837.46 = 2,345.52 : x
  2. Step 2: Convert to fraction form
    7,892.40/11,837.46 = 2,345.52/x
  3. Step 3: Cross multiply
    7,892.40x = 11,837.46 × 2,345.52
  4. Step 4: Simplify right side
    7,892.40x = 27,764,999.18
  5. Step 5: Solve for x
    x = 27,764,999.18/7,892.40
  6. Step 6: Final answer
    x = 3,517.94

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Why These Related Problems?

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