Home / 8,791.14-12,131.76-4,812.33

Finding the Fourth Proportional to 8,791.14, 12,131.76 and 4,812.33

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Solution

The fourth proportional to 8,791.14, 12,131.76 and 4,812.33 is: 6,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.14 : 12,131.76 = 4,812.33 : x
  2. Step 2: Convert to fraction form
    8,791.14/12,131.76 = 4,812.33/x
  3. Step 3: Cross multiply
    8,791.14x = 12,131.76 × 4,812.33
  4. Step 4: Simplify right side
    8,791.14x = 58,382,032.60
  5. Step 5: Solve for x
    x = 58,382,032.60/8,791.14
  6. Step 6: Final answer
    x = 6,641.01

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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.