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Finding the Fourth Proportional to 6,959.43, 10,377.07 and 6,186.69

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Solution

The fourth proportional to 6,959.43, 10,377.07 and 6,186.69 is: 9,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.43 : 10,377.07 = 6,186.69 : x
  2. Step 2: Convert to fraction form
    6,959.43/10,377.07 = 6,186.69/x
  3. Step 3: Cross multiply
    6,959.43x = 10,377.07 × 6,186.69
  4. Step 4: Simplify right side
    6,959.43x = 64,199,715.20
  5. Step 5: Solve for x
    x = 64,199,715.20/6,959.43
  6. Step 6: Final answer
    x = 9,224.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.