Home / 10,739.61-16,110.14-3,720.33

Finding the Fourth Proportional to 10,739.61, 16,110.14 and 3,720.33

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Solution

The fourth proportional to 10,739.61, 16,110.14 and 3,720.33 is: 5,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.61 : 16,110.14 = 3,720.33 : x
  2. Step 2: Convert to fraction form
    10,739.61/16,110.14 = 3,720.33/x
  3. Step 3: Cross multiply
    10,739.61x = 16,110.14 × 3,720.33
  4. Step 4: Simplify right side
    10,739.61x = 59,935,018.54
  5. Step 5: Solve for x
    x = 59,935,018.54/10,739.61
  6. Step 6: Final answer
    x = 5,580.74

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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.