Home / 8,771.72-12,108.39-5,937.71

Finding the Fourth Proportional to 8,771.72, 12,108.39 and 5,937.71

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Solution

The fourth proportional to 8,771.72, 12,108.39 and 5,937.71 is: 8,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.72 : 12,108.39 = 5,937.71 : x
  2. Step 2: Convert to fraction form
    8,771.72/12,108.39 = 5,937.71/x
  3. Step 3: Cross multiply
    8,771.72x = 12,108.39 × 5,937.71
  4. Step 4: Simplify right side
    8,771.72x = 71,896,108.39
  5. Step 5: Solve for x
    x = 71,896,108.39/8,771.72
  6. Step 6: Final answer
    x = 8,196.35

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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.