Home / 11,028.92-15,219.50-6,313.08

Finding the Fourth Proportional to 11,028.92, 15,219.50 and 6,313.08

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Solution

The fourth proportional to 11,028.92, 15,219.50 and 6,313.08 is: 8,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.92 : 15,219.50 = 6,313.08 : x
  2. Step 2: Convert to fraction form
    11,028.92/15,219.50 = 6,313.08/x
  3. Step 3: Cross multiply
    11,028.92x = 15,219.50 × 6,313.08
  4. Step 4: Simplify right side
    11,028.92x = 96,081,921.06
  5. Step 5: Solve for x
    x = 96,081,921.06/11,028.92
  6. Step 6: Final answer
    x = 8,711.82

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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.