Home / 10,951.78-15,113.48-6,236.06

Finding the Fourth Proportional to 10,951.78, 15,113.48 and 6,236.06

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Solution

The fourth proportional to 10,951.78, 15,113.48 and 6,236.06 is: 8,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.78 : 15,113.48 = 6,236.06 : x
  2. Step 2: Convert to fraction form
    10,951.78/15,113.48 = 6,236.06/x
  3. Step 3: Cross multiply
    10,951.78x = 15,113.48 × 6,236.06
  4. Step 4: Simplify right side
    10,951.78x = 94,248,568.09
  5. Step 5: Solve for x
    x = 94,248,568.09/10,951.78
  6. Step 6: Final answer
    x = 8,605.78

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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.