Home / 10,936.92-15,093-6,221.46

Finding the Fourth Proportional to 10,936.92, 15,093 and 6,221.46

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Solution

The fourth proportional to 10,936.92, 15,093 and 6,221.46 is: 8,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.92 : 15,093 = 6,221.46 : x
  2. Step 2: Convert to fraction form
    10,936.92/15,093 = 6,221.46/x
  3. Step 3: Cross multiply
    10,936.92x = 15,093 × 6,221.46
  4. Step 4: Simplify right side
    10,936.92x = 93,900,495.78
  5. Step 5: Solve for x
    x = 93,900,495.78/10,936.92
  6. Step 6: Final answer
    x = 8,585.64

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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.