Home / 7,772.13-11,658.56-2,226.29

Finding the Fourth Proportional to 7,772.13, 11,658.56 and 2,226.29

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Solution

The fourth proportional to 7,772.13, 11,658.56 and 2,226.29 is: 3,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.13 : 11,658.56 = 2,226.29 : x
  2. Step 2: Convert to fraction form
    7,772.13/11,658.56 = 2,226.29/x
  3. Step 3: Cross multiply
    7,772.13x = 11,658.56 × 2,226.29
  4. Step 4: Simplify right side
    7,772.13x = 25,955,272.38
  5. Step 5: Solve for x
    x = 25,955,272.38/7,772.13
  6. Step 6: Final answer
    x = 3,339.53

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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.