Home / 11,324.61-16,979.16-5,767.20

Finding the Fourth Proportional to 11,324.61, 16,979.16 and 5,767.20

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Solution

The fourth proportional to 11,324.61, 16,979.16 and 5,767.20 is: 8,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.61 : 16,979.16 = 5,767.20 : x
  2. Step 2: Convert to fraction form
    11,324.61/16,979.16 = 5,767.20/x
  3. Step 3: Cross multiply
    11,324.61x = 16,979.16 × 5,767.20
  4. Step 4: Simplify right side
    11,324.61x = 97,922,233.18
  5. Step 5: Solve for x
    x = 97,922,233.18/11,324.61
  6. Step 6: Final answer
    x = 8,646.85

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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.