Home / 10,974.42-15,144.66-6,258.69

Finding the Fourth Proportional to 10,974.42, 15,144.66 and 6,258.69

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Solution

The fourth proportional to 10,974.42, 15,144.66 and 6,258.69 is: 8,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.42 : 15,144.66 = 6,258.69 : x
  2. Step 2: Convert to fraction form
    10,974.42/15,144.66 = 6,258.69/x
  3. Step 3: Cross multiply
    10,974.42x = 15,144.66 × 6,258.69
  4. Step 4: Simplify right side
    10,974.42x = 94,785,732.10
  5. Step 5: Solve for x
    x = 94,785,732.10/10,974.42
  6. Step 6: Final answer
    x = 8,636.97

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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.