Home / 12,249.59-18,351.26-7,237.01

Finding the Fourth Proportional to 12,249.59, 18,351.26 and 7,237.01

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Solution

The fourth proportional to 12,249.59, 18,351.26 and 7,237.01 is: 10,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.59 : 18,351.26 = 7,237.01 : x
  2. Step 2: Convert to fraction form
    12,249.59/18,351.26 = 7,237.01/x
  3. Step 3: Cross multiply
    12,249.59x = 18,351.26 × 7,237.01
  4. Step 4: Simplify right side
    12,249.59x = 132,808,252.13
  5. Step 5: Solve for x
    x = 132,808,252.13/12,249.59
  6. Step 6: Final answer
    x = 10,841.85

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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.