Home / 11,322.39-16,983.12-5,775.61

Finding the Fourth Proportional to 11,322.39, 16,983.12 and 5,775.61

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Solution

The fourth proportional to 11,322.39, 16,983.12 and 5,775.61 is: 8,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.39 : 16,983.12 = 5,775.61 : x
  2. Step 2: Convert to fraction form
    11,322.39/16,983.12 = 5,775.61/x
  3. Step 3: Cross multiply
    11,322.39x = 16,983.12 × 5,775.61
  4. Step 4: Simplify right side
    11,322.39x = 98,087,856.90
  5. Step 5: Solve for x
    x = 98,087,856.90/11,322.39
  6. Step 6: Final answer
    x = 8,663.18

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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.