Home / 11,740.60-17,612.46-3,840.34

Finding the Fourth Proportional to 11,740.60, 17,612.46 and 3,840.34

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Solution

The fourth proportional to 11,740.60, 17,612.46 and 3,840.34 is: 5,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.60 : 17,612.46 = 3,840.34 : x
  2. Step 2: Convert to fraction form
    11,740.60/17,612.46 = 3,840.34/x
  3. Step 3: Cross multiply
    11,740.60x = 17,612.46 × 3,840.34
  4. Step 4: Simplify right side
    11,740.60x = 67,637,834.64
  5. Step 5: Solve for x
    x = 67,637,834.64/11,740.60
  6. Step 6: Final answer
    x = 5,761.02

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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.