Home / 7,834.88-11,750.52-3,617.12

Finding the Fourth Proportional to 7,834.88, 11,750.52 and 3,617.12

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Solution

The fourth proportional to 7,834.88, 11,750.52 and 3,617.12 is: 5,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.88 : 11,750.52 = 3,617.12 : x
  2. Step 2: Convert to fraction form
    7,834.88/11,750.52 = 3,617.12/x
  3. Step 3: Cross multiply
    7,834.88x = 11,750.52 × 3,617.12
  4. Step 4: Simplify right side
    7,834.88x = 42,503,040.90
  5. Step 5: Solve for x
    x = 42,503,040.90/7,834.88
  6. Step 6: Final answer
    x = 5,424.85

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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.