Home / 11,503.32-17,255.70-3,712.44

Finding the Fourth Proportional to 11,503.32, 17,255.70 and 3,712.44

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Solution

The fourth proportional to 11,503.32, 17,255.70 and 3,712.44 is: 5,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.32 : 17,255.70 = 3,712.44 : x
  2. Step 2: Convert to fraction form
    11,503.32/17,255.70 = 3,712.44/x
  3. Step 3: Cross multiply
    11,503.32x = 17,255.70 × 3,712.44
  4. Step 4: Simplify right side
    11,503.32x = 64,060,750.91
  5. Step 5: Solve for x
    x = 64,060,750.91/11,503.32
  6. Step 6: Final answer
    x = 5,568.89

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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.