Home / 7,716.96-11,570.17-3,712.23

Finding the Fourth Proportional to 7,716.96, 11,570.17 and 3,712.23

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Solution

The fourth proportional to 7,716.96, 11,570.17 and 3,712.23 is: 5,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.96 : 11,570.17 = 3,712.23 : x
  2. Step 2: Convert to fraction form
    7,716.96/11,570.17 = 3,712.23/x
  3. Step 3: Cross multiply
    7,716.96x = 11,570.17 × 3,712.23
  4. Step 4: Simplify right side
    7,716.96x = 42,951,132.18
  5. Step 5: Solve for x
    x = 42,951,132.18/7,716.96
  6. Step 6: Final answer
    x = 5,565.81

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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.