Home / 8,791.06-12,131.67-4,812.41

Finding the Fourth Proportional to 8,791.06, 12,131.67 and 4,812.41

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Solution

The fourth proportional to 8,791.06, 12,131.67 and 4,812.41 is: 6,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.06 : 12,131.67 = 4,812.41 : x
  2. Step 2: Convert to fraction form
    8,791.06/12,131.67 = 4,812.41/x
  3. Step 3: Cross multiply
    8,791.06x = 12,131.67 × 4,812.41
  4. Step 4: Simplify right side
    8,791.06x = 58,382,618.40
  5. Step 5: Solve for x
    x = 58,382,618.40/8,791.06
  6. Step 6: Final answer
    x = 6,641.14

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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.