Home / 12,168.24-18,253.06-3,403.14

Finding the Fourth Proportional to 12,168.24, 18,253.06 and 3,403.14

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Solution

The fourth proportional to 12,168.24, 18,253.06 and 3,403.14 is: 5,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.24 : 18,253.06 = 3,403.14 : x
  2. Step 2: Convert to fraction form
    12,168.24/18,253.06 = 3,403.14/x
  3. Step 3: Cross multiply
    12,168.24x = 18,253.06 × 3,403.14
  4. Step 4: Simplify right side
    12,168.24x = 62,117,718.61
  5. Step 5: Solve for x
    x = 62,117,718.61/12,168.24
  6. Step 6: Final answer
    x = 5,104.91

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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.