Home / 10,231.86-14,122.53-6,255.30

Finding the Fourth Proportional to 10,231.86, 14,122.53 and 6,255.30

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Solution

The fourth proportional to 10,231.86, 14,122.53 and 6,255.30 is: 8,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.86 : 14,122.53 = 6,255.30 : x
  2. Step 2: Convert to fraction form
    10,231.86/14,122.53 = 6,255.30/x
  3. Step 3: Cross multiply
    10,231.86x = 14,122.53 × 6,255.30
  4. Step 4: Simplify right side
    10,231.86x = 88,340,661.91
  5. Step 5: Solve for x
    x = 88,340,661.91/10,231.86
  6. Step 6: Final answer
    x = 8,633.88

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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.