Home / 9,331.05-13,997.87-3,407.16

Finding the Fourth Proportional to 9,331.05, 13,997.87 and 3,407.16

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Solution

The fourth proportional to 9,331.05, 13,997.87 and 3,407.16 is: 5,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.05 : 13,997.87 = 3,407.16 : x
  2. Step 2: Convert to fraction form
    9,331.05/13,997.87 = 3,407.16/x
  3. Step 3: Cross multiply
    9,331.05x = 13,997.87 × 3,407.16
  4. Step 4: Simplify right side
    9,331.05x = 47,692,965.71
  5. Step 5: Solve for x
    x = 47,692,965.71/9,331.05
  6. Step 6: Final answer
    x = 5,111.21

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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.