Home / 10,331.08-15,487.07-3,755.50

Finding the Fourth Proportional to 10,331.08, 15,487.07 and 3,755.50

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Solution

The fourth proportional to 10,331.08, 15,487.07 and 3,755.50 is: 5,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.08 : 15,487.07 = 3,755.50 : x
  2. Step 2: Convert to fraction form
    10,331.08/15,487.07 = 3,755.50/x
  3. Step 3: Cross multiply
    10,331.08x = 15,487.07 × 3,755.50
  4. Step 4: Simplify right side
    10,331.08x = 58,161,633.89
  5. Step 5: Solve for x
    x = 58,161,633.89/10,331.08
  6. Step 6: Final answer
    x = 5,629.77

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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.