Home / 8,147.04-11,232.42-8,036.88

Finding the Fourth Proportional to 8,147.04, 11,232.42 and 8,036.88

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Solution

The fourth proportional to 8,147.04, 11,232.42 and 8,036.88 is: 11,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.04 : 11,232.42 = 8,036.88 : x
  2. Step 2: Convert to fraction form
    8,147.04/11,232.42 = 8,036.88/x
  3. Step 3: Cross multiply
    8,147.04x = 11,232.42 × 8,036.88
  4. Step 4: Simplify right side
    8,147.04x = 90,273,611.65
  5. Step 5: Solve for x
    x = 90,273,611.65/8,147.04
  6. Step 6: Final answer
    x = 11,080.54

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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.