Home / 7,772.48-11,659.12-2,226.64

Finding the Fourth Proportional to 7,772.48, 11,659.12 and 2,226.64

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Solution

The fourth proportional to 7,772.48, 11,659.12 and 2,226.64 is: 3,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.48 : 11,659.12 = 2,226.64 : x
  2. Step 2: Convert to fraction form
    7,772.48/11,659.12 = 2,226.64/x
  3. Step 3: Cross multiply
    7,772.48x = 11,659.12 × 2,226.64
  4. Step 4: Simplify right side
    7,772.48x = 25,960,662.96
  5. Step 5: Solve for x
    x = 25,960,662.96/7,772.48
  6. Step 6: Final answer
    x = 3,340.07

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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.