Home / 12,079.16-18,084.17-8,176.58

Finding the Fourth Proportional to 12,079.16, 18,084.17 and 8,176.58

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Solution

The fourth proportional to 12,079.16, 18,084.17 and 8,176.58 is: 12,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.16 : 18,084.17 = 8,176.58 : x
  2. Step 2: Convert to fraction form
    12,079.16/18,084.17 = 8,176.58/x
  3. Step 3: Cross multiply
    12,079.16x = 18,084.17 × 8,176.58
  4. Step 4: Simplify right side
    12,079.16x = 147,866,592.76
  5. Step 5: Solve for x
    x = 147,866,592.76/12,079.16
  6. Step 6: Final answer
    x = 12,241.47

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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.