Home / 10,964.66-15,131.49-6,249.38

Finding the Fourth Proportional to 10,964.66, 15,131.49 and 6,249.38

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Solution

The fourth proportional to 10,964.66, 15,131.49 and 6,249.38 is: 8,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.66 : 15,131.49 = 6,249.38 : x
  2. Step 2: Convert to fraction form
    10,964.66/15,131.49 = 6,249.38/x
  3. Step 3: Cross multiply
    10,964.66x = 15,131.49 × 6,249.38
  4. Step 4: Simplify right side
    10,964.66x = 94,562,430.98
  5. Step 5: Solve for x
    x = 94,562,430.98/10,964.66
  6. Step 6: Final answer
    x = 8,624.29

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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.