Home / 10,691.24-16,022.73-7,739.55

Finding the Fourth Proportional to 10,691.24, 16,022.73 and 7,739.55

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Solution

The fourth proportional to 10,691.24, 16,022.73 and 7,739.55 is: 11,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.24 : 16,022.73 = 7,739.55 : x
  2. Step 2: Convert to fraction form
    10,691.24/16,022.73 = 7,739.55/x
  3. Step 3: Cross multiply
    10,691.24x = 16,022.73 × 7,739.55
  4. Step 4: Simplify right side
    10,691.24x = 124,008,719.97
  5. Step 5: Solve for x
    x = 124,008,719.97/10,691.24
  6. Step 6: Final answer
    x = 11,599.10

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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.