Home / 11,162.22-15,403.14-6,382.68

Finding the Fourth Proportional to 11,162.22, 15,403.14 and 6,382.68

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Solution

The fourth proportional to 11,162.22, 15,403.14 and 6,382.68 is: 8,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.22 : 15,403.14 = 6,382.68 : x
  2. Step 2: Convert to fraction form
    11,162.22/15,403.14 = 6,382.68/x
  3. Step 3: Cross multiply
    11,162.22x = 15,403.14 × 6,382.68
  4. Step 4: Simplify right side
    11,162.22x = 98,313,313.62
  5. Step 5: Solve for x
    x = 98,313,313.62/11,162.22
  6. Step 6: Final answer
    x = 8,807.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.