Home / 10,589.27-15,892.65-5,325.78

Finding the Fourth Proportional to 10,589.27, 15,892.65 and 5,325.78

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Solution

The fourth proportional to 10,589.27, 15,892.65 and 5,325.78 is: 7,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.27 : 15,892.65 = 5,325.78 : x
  2. Step 2: Convert to fraction form
    10,589.27/15,892.65 = 5,325.78/x
  3. Step 3: Cross multiply
    10,589.27x = 15,892.65 × 5,325.78
  4. Step 4: Simplify right side
    10,589.27x = 84,640,757.52
  5. Step 5: Solve for x
    x = 84,640,757.52/10,589.27
  6. Step 6: Final answer
    x = 7,993.07

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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.