Home / 8,617.93-12,919.07-5,986.66

Finding the Fourth Proportional to 8,617.93, 12,919.07 and 5,986.66

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Solution

The fourth proportional to 8,617.93, 12,919.07 and 5,986.66 is: 8,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.93 : 12,919.07 = 5,986.66 : x
  2. Step 2: Convert to fraction form
    8,617.93/12,919.07 = 5,986.66/x
  3. Step 3: Cross multiply
    8,617.93x = 12,919.07 × 5,986.66
  4. Step 4: Simplify right side
    8,617.93x = 77,342,079.61
  5. Step 5: Solve for x
    x = 77,342,079.61/8,617.93
  6. Step 6: Final answer
    x = 8,974.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.