Home / 11,337.53-17,009.40-3,440.30

Finding the Fourth Proportional to 11,337.53, 17,009.40 and 3,440.30

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Solution

The fourth proportional to 11,337.53, 17,009.40 and 3,440.30 is: 5,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.53 : 17,009.40 = 3,440.30 : x
  2. Step 2: Convert to fraction form
    11,337.53/17,009.40 = 3,440.30/x
  3. Step 3: Cross multiply
    11,337.53x = 17,009.40 × 3,440.30
  4. Step 4: Simplify right side
    11,337.53x = 58,517,353.77
  5. Step 5: Solve for x
    x = 58,517,353.77/11,337.53
  6. Step 6: Final answer
    x = 5,161.39

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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.