Home / 11,226.29-15,488.52-7,250.09

Finding the Fourth Proportional to 11,226.29, 15,488.52 and 7,250.09

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Solution

The fourth proportional to 11,226.29, 15,488.52 and 7,250.09 is: 10,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.29 : 15,488.52 = 7,250.09 : x
  2. Step 2: Convert to fraction form
    11,226.29/15,488.52 = 7,250.09/x
  3. Step 3: Cross multiply
    11,226.29x = 15,488.52 × 7,250.09
  4. Step 4: Simplify right side
    11,226.29x = 112,293,163.97
  5. Step 5: Solve for x
    x = 112,293,163.97/11,226.29
  6. Step 6: Final answer
    x = 10,002.70

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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.