Home / 12,210.08-16,850.24-7,491.56

Finding the Fourth Proportional to 12,210.08, 16,850.24 and 7,491.56

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Solution

The fourth proportional to 12,210.08, 16,850.24 and 7,491.56 is: 10,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.08 : 16,850.24 = 7,491.56 : x
  2. Step 2: Convert to fraction form
    12,210.08/16,850.24 = 7,491.56/x
  3. Step 3: Cross multiply
    12,210.08x = 16,850.24 × 7,491.56
  4. Step 4: Simplify right side
    12,210.08x = 126,234,583.97
  5. Step 5: Solve for x
    x = 126,234,583.97/12,210.08
  6. Step 6: Final answer
    x = 10,338.56

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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.