Home / 10,496.76-15,740.22-3,921.18

Finding the Fourth Proportional to 10,496.76, 15,740.22 and 3,921.18

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Solution

The fourth proportional to 10,496.76, 15,740.22 and 3,921.18 is: 5,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,496.76 : 15,740.22 = 3,921.18 : x
  2. Step 2: Convert to fraction form
    10,496.76/15,740.22 = 3,921.18/x
  3. Step 3: Cross multiply
    10,496.76x = 15,740.22 × 3,921.18
  4. Step 4: Simplify right side
    10,496.76x = 61,720,235.86
  5. Step 5: Solve for x
    x = 61,720,235.86/10,496.76
  6. Step 6: Final answer
    x = 5,879.93

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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.