Home / 11,441.25-17,159.85-5,199.80

Finding the Fourth Proportional to 11,441.25, 17,159.85 and 5,199.80

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Solution

The fourth proportional to 11,441.25, 17,159.85 and 5,199.80 is: 7,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.25 : 17,159.85 = 5,199.80 : x
  2. Step 2: Convert to fraction form
    11,441.25/17,159.85 = 5,199.80/x
  3. Step 3: Cross multiply
    11,441.25x = 17,159.85 × 5,199.80
  4. Step 4: Simplify right side
    11,441.25x = 89,227,702.23
  5. Step 5: Solve for x
    x = 89,227,702.23/11,441.25
  6. Step 6: Final answer
    x = 7,798.77

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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.