Home / 12,371.49-18,560.30-3,606.48

Finding the Fourth Proportional to 12,371.49, 18,560.30 and 3,606.48

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Solution

The fourth proportional to 12,371.49, 18,560.30 and 3,606.48 is: 5,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.49 : 18,560.30 = 3,606.48 : x
  2. Step 2: Convert to fraction form
    12,371.49/18,560.30 = 3,606.48/x
  3. Step 3: Cross multiply
    12,371.49x = 18,560.30 × 3,606.48
  4. Step 4: Simplify right side
    12,371.49x = 66,937,350.74
  5. Step 5: Solve for x
    x = 66,937,350.74/12,371.49
  6. Step 6: Final answer
    x = 5,410.61

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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.