Home / 7,409.10-11,122.33-5,850.15

Finding the Fourth Proportional to 7,409.10, 11,122.33 and 5,850.15

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Solution

The fourth proportional to 7,409.10, 11,122.33 and 5,850.15 is: 8,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.10 : 11,122.33 = 5,850.15 : x
  2. Step 2: Convert to fraction form
    7,409.10/11,122.33 = 5,850.15/x
  3. Step 3: Cross multiply
    7,409.10x = 11,122.33 × 5,850.15
  4. Step 4: Simplify right side
    7,409.10x = 65,067,347.87
  5. Step 5: Solve for x
    x = 65,067,347.87/7,409.10
  6. Step 6: Final answer
    x = 8,782.09

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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.