Home / 10,079.88-15,122.87-4,072.86

Finding the Fourth Proportional to 10,079.88, 15,122.87 and 4,072.86

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Solution

The fourth proportional to 10,079.88, 15,122.87 and 4,072.86 is: 6,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.88 : 15,122.87 = 4,072.86 : x
  2. Step 2: Convert to fraction form
    10,079.88/15,122.87 = 4,072.86/x
  3. Step 3: Cross multiply
    10,079.88x = 15,122.87 × 4,072.86
  4. Step 4: Simplify right side
    10,079.88x = 61,593,368.65
  5. Step 5: Solve for x
    x = 61,593,368.65/10,079.88
  6. Step 6: Final answer
    x = 6,110.53

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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.