Home / 9,076.91-13,611.90-5,380.17

Finding the Fourth Proportional to 9,076.91, 13,611.90 and 5,380.17

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Solution

The fourth proportional to 9,076.91, 13,611.90 and 5,380.17 is: 8,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.91 : 13,611.90 = 5,380.17 : x
  2. Step 2: Convert to fraction form
    9,076.91/13,611.90 = 5,380.17/x
  3. Step 3: Cross multiply
    9,076.91x = 13,611.90 × 5,380.17
  4. Step 4: Simplify right side
    9,076.91x = 73,234,336.02
  5. Step 5: Solve for x
    x = 73,234,336.02/9,076.91
  6. Step 6: Final answer
    x = 8,068.21

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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.