Home / 7,817.85-11,716.38-2,882.93

Finding the Fourth Proportional to 7,817.85, 11,716.38 and 2,882.93

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Solution

The fourth proportional to 7,817.85, 11,716.38 and 2,882.93 is: 4,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.85 : 11,716.38 = 2,882.93 : x
  2. Step 2: Convert to fraction form
    7,817.85/11,716.38 = 2,882.93/x
  3. Step 3: Cross multiply
    7,817.85x = 11,716.38 × 2,882.93
  4. Step 4: Simplify right side
    7,817.85x = 33,777,444.81
  5. Step 5: Solve for x
    x = 33,777,444.81/7,817.85
  6. Step 6: Final answer
    x = 4,320.55

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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.