Home / 10,309.74-14,226.36-6,331.02

Finding the Fourth Proportional to 10,309.74, 14,226.36 and 6,331.02

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Solution

The fourth proportional to 10,309.74, 14,226.36 and 6,331.02 is: 8,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.74 : 14,226.36 = 6,331.02 : x
  2. Step 2: Convert to fraction form
    10,309.74/14,226.36 = 6,331.02/x
  3. Step 3: Cross multiply
    10,309.74x = 14,226.36 × 6,331.02
  4. Step 4: Simplify right side
    10,309.74x = 90,067,369.69
  5. Step 5: Solve for x
    x = 90,067,369.69/10,309.74
  6. Step 6: Final answer
    x = 8,736.14

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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.