Home / 10,655.52-15,983.49-3,637.14

Finding the Fourth Proportional to 10,655.52, 15,983.49 and 3,637.14

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Solution

The fourth proportional to 10,655.52, 15,983.49 and 3,637.14 is: 5,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.52 : 15,983.49 = 3,637.14 : x
  2. Step 2: Convert to fraction form
    10,655.52/15,983.49 = 3,637.14/x
  3. Step 3: Cross multiply
    10,655.52x = 15,983.49 × 3,637.14
  4. Step 4: Simplify right side
    10,655.52x = 58,134,190.82
  5. Step 5: Solve for x
    x = 58,134,190.82/10,655.52
  6. Step 6: Final answer
    x = 5,455.78

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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.