Home / 8,111.76-11,195.38-4,926.66

Finding the Fourth Proportional to 8,111.76, 11,195.38 and 4,926.66

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Solution

The fourth proportional to 8,111.76, 11,195.38 and 4,926.66 is: 6,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.76 : 11,195.38 = 4,926.66 : x
  2. Step 2: Convert to fraction form
    8,111.76/11,195.38 = 4,926.66/x
  3. Step 3: Cross multiply
    8,111.76x = 11,195.38 × 4,926.66
  4. Step 4: Simplify right side
    8,111.76x = 55,155,830.83
  5. Step 5: Solve for x
    x = 55,155,830.83/8,111.76
  6. Step 6: Final answer
    x = 6,799.49

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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.