Home / 8,716.98-12,031.36-5,733.10

Finding the Fourth Proportional to 8,716.98, 12,031.36 and 5,733.10

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Solution

The fourth proportional to 8,716.98, 12,031.36 and 5,733.10 is: 7,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.98 : 12,031.36 = 5,733.10 : x
  2. Step 2: Convert to fraction form
    8,716.98/12,031.36 = 5,733.10/x
  3. Step 3: Cross multiply
    8,716.98x = 12,031.36 × 5,733.10
  4. Step 4: Simplify right side
    8,716.98x = 68,976,990.02
  5. Step 5: Solve for x
    x = 68,976,990.02/8,716.98
  6. Step 6: Final answer
    x = 7,912.95

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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.