Home / 7,551.70-11,329.38-3,166.72

Finding the Fourth Proportional to 7,551.70, 11,329.38 and 3,166.72

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Solution

The fourth proportional to 7,551.70, 11,329.38 and 3,166.72 is: 4,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.70 : 11,329.38 = 3,166.72 : x
  2. Step 2: Convert to fraction form
    7,551.70/11,329.38 = 3,166.72/x
  3. Step 3: Cross multiply
    7,551.70x = 11,329.38 × 3,166.72
  4. Step 4: Simplify right side
    7,551.70x = 35,876,974.23
  5. Step 5: Solve for x
    x = 35,876,974.23/7,551.70
  6. Step 6: Final answer
    x = 4,750.85

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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.