Home / 10,937.70-15,093.54-6,221.88

Finding the Fourth Proportional to 10,937.70, 15,093.54 and 6,221.88

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Solution

The fourth proportional to 10,937.70, 15,093.54 and 6,221.88 is: 8,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.70 : 15,093.54 = 6,221.88 : x
  2. Step 2: Convert to fraction form
    10,937.70/15,093.54 = 6,221.88/x
  3. Step 3: Cross multiply
    10,937.70x = 15,093.54 × 6,221.88
  4. Step 4: Simplify right side
    10,937.70x = 93,910,194.66
  5. Step 5: Solve for x
    x = 93,910,194.66/10,937.70
  6. Step 6: Final answer
    x = 8,585.92

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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.