Home / 12,310.24-16,986.13-7,273.77

Finding the Fourth Proportional to 12,310.24, 16,986.13 and 7,273.77

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Solution

The fourth proportional to 12,310.24, 16,986.13 and 7,273.77 is: 10,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.24 : 16,986.13 = 7,273.77 : x
  2. Step 2: Convert to fraction form
    12,310.24/16,986.13 = 7,273.77/x
  3. Step 3: Cross multiply
    12,310.24x = 16,986.13 × 7,273.77
  4. Step 4: Simplify right side
    12,310.24x = 123,553,202.81
  5. Step 5: Solve for x
    x = 123,553,202.81/12,310.24
  6. Step 6: Final answer
    x = 10,036.62

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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.