Home / 10,961.07-15,126.30-6,245.61

Finding the Fourth Proportional to 10,961.07, 15,126.30 and 6,245.61

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Solution

The fourth proportional to 10,961.07, 15,126.30 and 6,245.61 is: 8,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.07 : 15,126.30 = 6,245.61 : x
  2. Step 2: Convert to fraction form
    10,961.07/15,126.30 = 6,245.61/x
  3. Step 3: Cross multiply
    10,961.07x = 15,126.30 × 6,245.61
  4. Step 4: Simplify right side
    10,961.07x = 94,472,970.54
  5. Step 5: Solve for x
    x = 94,472,970.54/10,961.07
  6. Step 6: Final answer
    x = 8,618.96

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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.