Home / 10,565.22-15,850.54-3,991.46

Finding the Fourth Proportional to 10,565.22, 15,850.54 and 3,991.46

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Solution

The fourth proportional to 10,565.22, 15,850.54 and 3,991.46 is: 5,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.22 : 15,850.54 = 3,991.46 : x
  2. Step 2: Convert to fraction form
    10,565.22/15,850.54 = 3,991.46/x
  3. Step 3: Cross multiply
    10,565.22x = 15,850.54 × 3,991.46
  4. Step 4: Simplify right side
    10,565.22x = 63,266,796.39
  5. Step 5: Solve for x
    x = 63,266,796.39/10,565.22
  6. Step 6: Final answer
    x = 5,988.21

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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.