Home / 7,837.88-11,753.28-5,637.38

Finding the Fourth Proportional to 7,837.88, 11,753.28 and 5,637.38

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Solution

The fourth proportional to 7,837.88, 11,753.28 and 5,637.38 is: 8,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.88 : 11,753.28 = 5,637.38 : x
  2. Step 2: Convert to fraction form
    7,837.88/11,753.28 = 5,637.38/x
  3. Step 3: Cross multiply
    7,837.88x = 11,753.28 × 5,637.38
  4. Step 4: Simplify right side
    7,837.88x = 66,257,646.84
  5. Step 5: Solve for x
    x = 66,257,646.84/7,837.88
  6. Step 6: Final answer
    x = 8,453.52

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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.