Home / 12,363.66-18,544.68-5,791.32

Finding the Fourth Proportional to 12,363.66, 18,544.68 and 5,791.32

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Solution

The fourth proportional to 12,363.66, 18,544.68 and 5,791.32 is: 8,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.66 : 18,544.68 = 5,791.32 : x
  2. Step 2: Convert to fraction form
    12,363.66/18,544.68 = 5,791.32/x
  3. Step 3: Cross multiply
    12,363.66x = 18,544.68 × 5,791.32
  4. Step 4: Simplify right side
    12,363.66x = 107,398,176.18
  5. Step 5: Solve for x
    x = 107,398,176.18/12,363.66
  6. Step 6: Final answer
    x = 8,686.60

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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.