Home / 12,247.12-18,369.33-3,363.13

Finding the Fourth Proportional to 12,247.12, 18,369.33 and 3,363.13

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Solution

The fourth proportional to 12,247.12, 18,369.33 and 3,363.13 is: 5,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.12 : 18,369.33 = 3,363.13 : x
  2. Step 2: Convert to fraction form
    12,247.12/18,369.33 = 3,363.13/x
  3. Step 3: Cross multiply
    12,247.12x = 18,369.33 × 3,363.13
  4. Step 4: Simplify right side
    12,247.12x = 61,778,444.80
  5. Step 5: Solve for x
    x = 61,778,444.80/12,247.12
  6. Step 6: Final answer
    x = 5,044.32

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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.