Home / 11,263.92-15,550.42-6,788.76

Finding the Fourth Proportional to 11,263.92, 15,550.42 and 6,788.76

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Solution

The fourth proportional to 11,263.92, 15,550.42 and 6,788.76 is: 9,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.92 : 15,550.42 = 6,788.76 : x
  2. Step 2: Convert to fraction form
    11,263.92/15,550.42 = 6,788.76/x
  3. Step 3: Cross multiply
    11,263.92x = 15,550.42 × 6,788.76
  4. Step 4: Simplify right side
    11,263.92x = 105,568,069.28
  5. Step 5: Solve for x
    x = 105,568,069.28/11,263.92
  6. Step 6: Final answer
    x = 9,372.23

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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.