Home / 8,166.60-12,256.11-5,981.04

Finding the Fourth Proportional to 8,166.60, 12,256.11 and 5,981.04

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Solution

The fourth proportional to 8,166.60, 12,256.11 and 5,981.04 is: 8,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.60 : 12,256.11 = 5,981.04 : x
  2. Step 2: Convert to fraction form
    8,166.60/12,256.11 = 5,981.04/x
  3. Step 3: Cross multiply
    8,166.60x = 12,256.11 × 5,981.04
  4. Step 4: Simplify right side
    8,166.60x = 73,304,284.15
  5. Step 5: Solve for x
    x = 73,304,284.15/8,166.60
  6. Step 6: Final answer
    x = 8,976.11

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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.