Home / 11,374.45-17,077.61-5,831.78

Finding the Fourth Proportional to 11,374.45, 17,077.61 and 5,831.78

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Solution

The fourth proportional to 11,374.45, 17,077.61 and 5,831.78 is: 8,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.45 : 17,077.61 = 5,831.78 : x
  2. Step 2: Convert to fraction form
    11,374.45/17,077.61 = 5,831.78/x
  3. Step 3: Cross multiply
    11,374.45x = 17,077.61 × 5,831.78
  4. Step 4: Simplify right side
    11,374.45x = 99,592,793.64
  5. Step 5: Solve for x
    x = 99,592,793.64/11,374.45
  6. Step 6: Final answer
    x = 8,755.84

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1.5x scale

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.