Home / 8,307.63-11,458.20-5,789.73

Finding the Fourth Proportional to 8,307.63, 11,458.20 and 5,789.73

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Solution

The fourth proportional to 8,307.63, 11,458.20 and 5,789.73 is: 7,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.63 : 11,458.20 = 5,789.73 : x
  2. Step 2: Convert to fraction form
    8,307.63/11,458.20 = 5,789.73/x
  3. Step 3: Cross multiply
    8,307.63x = 11,458.20 × 5,789.73
  4. Step 4: Simplify right side
    8,307.63x = 66,339,884.29
  5. Step 5: Solve for x
    x = 66,339,884.29/8,307.63
  6. Step 6: Final answer
    x = 7,985.42

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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.