Home / 11,641.37-17,456.97-3,319.53

Finding the Fourth Proportional to 11,641.37, 17,456.97 and 3,319.53

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Solution

The fourth proportional to 11,641.37, 17,456.97 and 3,319.53 is: 4,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.37 : 17,456.97 = 3,319.53 : x
  2. Step 2: Convert to fraction form
    11,641.37/17,456.97 = 3,319.53/x
  3. Step 3: Cross multiply
    11,641.37x = 17,456.97 × 3,319.53
  4. Step 4: Simplify right side
    11,641.37x = 57,948,962.13
  5. Step 5: Solve for x
    x = 57,948,962.13/11,641.37
  6. Step 6: Final answer
    x = 4,977.85

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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.