Home / 10,162.87-15,246.63-3,589.11

Finding the Fourth Proportional to 10,162.87, 15,246.63 and 3,589.11

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Solution

The fourth proportional to 10,162.87, 15,246.63 and 3,589.11 is: 5,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.87 : 15,246.63 = 3,589.11 : x
  2. Step 2: Convert to fraction form
    10,162.87/15,246.63 = 3,589.11/x
  3. Step 3: Cross multiply
    10,162.87x = 15,246.63 × 3,589.11
  4. Step 4: Simplify right side
    10,162.87x = 54,721,832.20
  5. Step 5: Solve for x
    x = 54,721,832.20/10,162.87
  6. Step 6: Final answer
    x = 5,384.49

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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.