Home / 7,766.67-11,649.70-1,923.13

Finding the Fourth Proportional to 7,766.67, 11,649.70 and 1,923.13

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Solution

The fourth proportional to 7,766.67, 11,649.70 and 1,923.13 is: 2,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.67 : 11,649.70 = 1,923.13 : x
  2. Step 2: Convert to fraction form
    7,766.67/11,649.70 = 1,923.13/x
  3. Step 3: Cross multiply
    7,766.67x = 11,649.70 × 1,923.13
  4. Step 4: Simplify right side
    7,766.67x = 22,403,887.56
  5. Step 5: Solve for x
    x = 22,403,887.56/7,766.67
  6. Step 6: Final answer
    x = 2,884.62

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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.