Home / 8,111.14-11,195.18-5,273.59

Finding the Fourth Proportional to 8,111.14, 11,195.18 and 5,273.59

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Solution

The fourth proportional to 8,111.14, 11,195.18 and 5,273.59 is: 7,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.14 : 11,195.18 = 5,273.59 : x
  2. Step 2: Convert to fraction form
    8,111.14/11,195.18 = 5,273.59/x
  3. Step 3: Cross multiply
    8,111.14x = 11,195.18 × 5,273.59
  4. Step 4: Simplify right side
    8,111.14x = 59,038,762.93
  5. Step 5: Solve for x
    x = 59,038,762.93/8,111.14
  6. Step 6: Final answer
    x = 7,278.73

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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.