Home / 7,924.67-11,887.12-3,765.11

Finding the Fourth Proportional to 7,924.67, 11,887.12 and 3,765.11

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Solution

The fourth proportional to 7,924.67, 11,887.12 and 3,765.11 is: 5,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.67 : 11,887.12 = 3,765.11 : x
  2. Step 2: Convert to fraction form
    7,924.67/11,887.12 = 3,765.11/x
  3. Step 3: Cross multiply
    7,924.67x = 11,887.12 × 3,765.11
  4. Step 4: Simplify right side
    7,924.67x = 44,756,259.65
  5. Step 5: Solve for x
    x = 44,756,259.65/7,924.67
  6. Step 6: Final answer
    x = 5,647.71

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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.