Home / 10,551.68-15,814.44-3,972.32

Finding the Fourth Proportional to 10,551.68, 15,814.44 and 3,972.32

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Solution

The fourth proportional to 10,551.68, 15,814.44 and 3,972.32 is: 5,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.68 : 15,814.44 = 3,972.32 : x
  2. Step 2: Convert to fraction form
    10,551.68/15,814.44 = 3,972.32/x
  3. Step 3: Cross multiply
    10,551.68x = 15,814.44 × 3,972.32
  4. Step 4: Simplify right side
    10,551.68x = 62,820,016.30
  5. Step 5: Solve for x
    x = 62,820,016.30/10,551.68
  6. Step 6: Final answer
    x = 5,953.56

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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.