Home / 7,881.38-10,876.30-4,344.66

Finding the Fourth Proportional to 7,881.38, 10,876.30 and 4,344.66

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Solution

The fourth proportional to 7,881.38, 10,876.30 and 4,344.66 is: 5,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.38 : 10,876.30 = 4,344.66 : x
  2. Step 2: Convert to fraction form
    7,881.38/10,876.30 = 4,344.66/x
  3. Step 3: Cross multiply
    7,881.38x = 10,876.30 × 4,344.66
  4. Step 4: Simplify right side
    7,881.38x = 47,253,814.70
  5. Step 5: Solve for x
    x = 47,253,814.70/7,881.38
  6. Step 6: Final answer
    x = 5,995.63

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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.