Home / 8,127.27-11,215.67-4,983.39

Finding the Fourth Proportional to 8,127.27, 11,215.67 and 4,983.39

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Solution

The fourth proportional to 8,127.27, 11,215.67 and 4,983.39 is: 6,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.27 : 11,215.67 = 4,983.39 : x
  2. Step 2: Convert to fraction form
    8,127.27/11,215.67 = 4,983.39/x
  3. Step 3: Cross multiply
    8,127.27x = 11,215.67 × 4,983.39
  4. Step 4: Simplify right side
    8,127.27x = 55,892,032.80
  5. Step 5: Solve for x
    x = 55,892,032.80/8,127.27
  6. Step 6: Final answer
    x = 6,877.10

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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.