Home / 11,331.57-16,993-3,731.07

Finding the Fourth Proportional to 11,331.57, 16,993 and 3,731.07

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Solution

The fourth proportional to 11,331.57, 16,993 and 3,731.07 is: 5,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.57 : 16,993 = 3,731.07 : x
  2. Step 2: Convert to fraction form
    11,331.57/16,993 = 3,731.07/x
  3. Step 3: Cross multiply
    11,331.57x = 16,993 × 3,731.07
  4. Step 4: Simplify right side
    11,331.57x = 63,402,072.51
  5. Step 5: Solve for x
    x = 63,402,072.51/11,331.57
  6. Step 6: Final answer
    x = 5,595.17

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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.