Home / 10,072.86-13,891.25-6,294.81

Finding the Fourth Proportional to 10,072.86, 13,891.25 and 6,294.81

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Solution

The fourth proportional to 10,072.86, 13,891.25 and 6,294.81 is: 8,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.86 : 13,891.25 = 6,294.81 : x
  2. Step 2: Convert to fraction form
    10,072.86/13,891.25 = 6,294.81/x
  3. Step 3: Cross multiply
    10,072.86x = 13,891.25 × 6,294.81
  4. Step 4: Simplify right side
    10,072.86x = 87,442,811.83
  5. Step 5: Solve for x
    x = 87,442,811.83/10,072.86
  6. Step 6: Final answer
    x = 8,681.03

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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.