Home / 12,407.24-18,610.97-3,642.30

Finding the Fourth Proportional to 12,407.24, 18,610.97 and 3,642.30

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Solution

The fourth proportional to 12,407.24, 18,610.97 and 3,642.30 is: 5,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.24 : 18,610.97 = 3,642.30 : x
  2. Step 2: Convert to fraction form
    12,407.24/18,610.97 = 3,642.30/x
  3. Step 3: Cross multiply
    12,407.24x = 18,610.97 × 3,642.30
  4. Step 4: Simplify right side
    12,407.24x = 67,786,717.82
  5. Step 5: Solve for x
    x = 67,786,717.82/12,407.24
  6. Step 6: Final answer
    x = 5,463.48

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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.