Home / 10,529.26-15,790.24-8,079.82

Finding the Fourth Proportional to 10,529.26, 15,790.24 and 8,079.82

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Solution

The fourth proportional to 10,529.26, 15,790.24 and 8,079.82 is: 12,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.26 : 15,790.24 = 8,079.82 : x
  2. Step 2: Convert to fraction form
    10,529.26/15,790.24 = 8,079.82/x
  3. Step 3: Cross multiply
    10,529.26x = 15,790.24 × 8,079.82
  4. Step 4: Simplify right side
    10,529.26x = 127,582,296.96
  5. Step 5: Solve for x
    x = 127,582,296.96/10,529.26
  6. Step 6: Final answer
    x = 12,116.93

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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.