Home / 7,399.47-11,108.97-6,788.19

Finding the Fourth Proportional to 7,399.47, 11,108.97 and 6,788.19

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Solution

The fourth proportional to 7,399.47, 11,108.97 and 6,788.19 is: 10,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.47 : 11,108.97 = 6,788.19 : x
  2. Step 2: Convert to fraction form
    7,399.47/11,108.97 = 6,788.19/x
  3. Step 3: Cross multiply
    7,399.47x = 11,108.97 × 6,788.19
  4. Step 4: Simplify right side
    7,399.47x = 75,409,799.06
  5. Step 5: Solve for x
    x = 75,409,799.06/7,399.47
  6. Step 6: Final answer
    x = 10,191.24

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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.