Home / 10,163.87-15,248.13-3,590.11

Finding the Fourth Proportional to 10,163.87, 15,248.13 and 3,590.11

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Solution

The fourth proportional to 10,163.87, 15,248.13 and 3,590.11 is: 5,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.87 : 15,248.13 = 3,590.11 : x
  2. Step 2: Convert to fraction form
    10,163.87/15,248.13 = 3,590.11/x
  3. Step 3: Cross multiply
    10,163.87x = 15,248.13 × 3,590.11
  4. Step 4: Simplify right side
    10,163.87x = 54,742,463.99
  5. Step 5: Solve for x
    x = 54,742,463.99/10,163.87
  6. Step 6: Final answer
    x = 5,385.99

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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.