Home / 8,731.07-12,043.76-6,338.24

Finding the Fourth Proportional to 8,731.07, 12,043.76 and 6,338.24

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Solution

The fourth proportional to 8,731.07, 12,043.76 and 6,338.24 is: 8,743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.07 : 12,043.76 = 6,338.24 : x
  2. Step 2: Convert to fraction form
    8,731.07/12,043.76 = 6,338.24/x
  3. Step 3: Cross multiply
    8,731.07x = 12,043.76 × 6,338.24
  4. Step 4: Simplify right side
    8,731.07x = 76,336,231.18
  5. Step 5: Solve for x
    x = 76,336,231.18/8,731.07
  6. Step 6: Final answer
    x = 8,743.06

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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.