Home / 12,550.05-17,318.40-7,244.55

Finding the Fourth Proportional to 12,550.05, 17,318.40 and 7,244.55

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Solution

The fourth proportional to 12,550.05, 17,318.40 and 7,244.55 is: 9,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.05 : 17,318.40 = 7,244.55 : x
  2. Step 2: Convert to fraction form
    12,550.05/17,318.40 = 7,244.55/x
  3. Step 3: Cross multiply
    12,550.05x = 17,318.40 × 7,244.55
  4. Step 4: Simplify right side
    12,550.05x = 125,464,014.72
  5. Step 5: Solve for x
    x = 125,464,014.72/12,550.05
  6. Step 6: Final answer
    x = 9,997.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.