Home / 8,983.09-12,396.68-4,894.87

Finding the Fourth Proportional to 8,983.09, 12,396.68 and 4,894.87

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Solution

The fourth proportional to 8,983.09, 12,396.68 and 4,894.87 is: 6,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.09 : 12,396.68 = 4,894.87 : x
  2. Step 2: Convert to fraction form
    8,983.09/12,396.68 = 4,894.87/x
  3. Step 3: Cross multiply
    8,983.09x = 12,396.68 × 4,894.87
  4. Step 4: Simplify right side
    8,983.09x = 60,680,081.57
  5. Step 5: Solve for x
    x = 60,680,081.57/8,983.09
  6. Step 6: Final answer
    x = 6,754.92

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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.