Home / 10,988.96-16,474.19-3,589.38

Finding the Fourth Proportional to 10,988.96, 16,474.19 and 3,589.38

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Solution

The fourth proportional to 10,988.96, 16,474.19 and 3,589.38 is: 5,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.96 : 16,474.19 = 3,589.38 : x
  2. Step 2: Convert to fraction form
    10,988.96/16,474.19 = 3,589.38/x
  3. Step 3: Cross multiply
    10,988.96x = 16,474.19 × 3,589.38
  4. Step 4: Simplify right side
    10,988.96x = 59,132,110.16
  5. Step 5: Solve for x
    x = 59,132,110.16/10,988.96
  6. Step 6: Final answer
    x = 5,381.05

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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.