Home / 8,307.01-11,458.83-5,321.80

Finding the Fourth Proportional to 8,307.01, 11,458.83 and 5,321.80

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Solution

The fourth proportional to 8,307.01, 11,458.83 and 5,321.80 is: 7,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.01 : 11,458.83 = 5,321.80 : x
  2. Step 2: Convert to fraction form
    8,307.01/11,458.83 = 5,321.80/x
  3. Step 3: Cross multiply
    8,307.01x = 11,458.83 × 5,321.80
  4. Step 4: Simplify right side
    8,307.01x = 60,981,601.49
  5. Step 5: Solve for x
    x = 60,981,601.49/8,307.01
  6. Step 6: Final answer
    x = 7,340.98

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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.