Home / 10,409.16-15,614.76-3,388.86

Finding the Fourth Proportional to 10,409.16, 15,614.76 and 3,388.86

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Solution

The fourth proportional to 10,409.16, 15,614.76 and 3,388.86 is: 5,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.16 : 15,614.76 = 3,388.86 : x
  2. Step 2: Convert to fraction form
    10,409.16/15,614.76 = 3,388.86/x
  3. Step 3: Cross multiply
    10,409.16x = 15,614.76 × 3,388.86
  4. Step 4: Simplify right side
    10,409.16x = 52,916,235.57
  5. Step 5: Solve for x
    x = 52,916,235.57/10,409.16
  6. Step 6: Final answer
    x = 5,083.62

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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.