Home / 7,375.14-11,061.18-2,179.80

Finding the Fourth Proportional to 7,375.14, 11,061.18 and 2,179.80

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Solution

The fourth proportional to 7,375.14, 11,061.18 and 2,179.80 is: 3,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.14 : 11,061.18 = 2,179.80 : x
  2. Step 2: Convert to fraction form
    7,375.14/11,061.18 = 2,179.80/x
  3. Step 3: Cross multiply
    7,375.14x = 11,061.18 × 2,179.80
  4. Step 4: Simplify right side
    7,375.14x = 24,111,160.16
  5. Step 5: Solve for x
    x = 24,111,160.16/7,375.14
  6. Step 6: Final answer
    x = 3,269.25

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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.