Home / 11,081.92-15,293.12-6,113.92

Finding the Fourth Proportional to 11,081.92, 15,293.12 and 6,113.92

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Solution

The fourth proportional to 11,081.92, 15,293.12 and 6,113.92 is: 8,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.92 : 15,293.12 = 6,113.92 : x
  2. Step 2: Convert to fraction form
    11,081.92/15,293.12 = 6,113.92/x
  3. Step 3: Cross multiply
    11,081.92x = 15,293.12 × 6,113.92
  4. Step 4: Simplify right side
    11,081.92x = 93,500,912.23
  5. Step 5: Solve for x
    x = 93,500,912.23/11,081.92
  6. Step 6: Final answer
    x = 8,437.25

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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.