Home / 8,718.39-12,023.51-5,733.18

Finding the Fourth Proportional to 8,718.39, 12,023.51 and 5,733.18

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Solution

The fourth proportional to 8,718.39, 12,023.51 and 5,733.18 is: 7,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.39 : 12,023.51 = 5,733.18 : x
  2. Step 2: Convert to fraction form
    8,718.39/12,023.51 = 5,733.18/x
  3. Step 3: Cross multiply
    8,718.39x = 12,023.51 × 5,733.18
  4. Step 4: Simplify right side
    8,718.39x = 68,932,918.40
  5. Step 5: Solve for x
    x = 68,932,918.40/8,718.39
  6. Step 6: Final answer
    x = 7,906.61

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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.