Home / 10,245.91-14,139.62-6,269.26

Finding the Fourth Proportional to 10,245.91, 14,139.62 and 6,269.26

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Solution

The fourth proportional to 10,245.91, 14,139.62 and 6,269.26 is: 8,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.91 : 14,139.62 = 6,269.26 : x
  2. Step 2: Convert to fraction form
    10,245.91/14,139.62 = 6,269.26/x
  3. Step 3: Cross multiply
    10,245.91x = 14,139.62 × 6,269.26
  4. Step 4: Simplify right side
    10,245.91x = 88,644,954.08
  5. Step 5: Solve for x
    x = 88,644,954.08/10,245.91
  6. Step 6: Final answer
    x = 8,651.74

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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.