Home / 10,790.74-16,186.23-4,865.38

Finding the Fourth Proportional to 10,790.74, 16,186.23 and 4,865.38

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Solution

The fourth proportional to 10,790.74, 16,186.23 and 4,865.38 is: 7,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.74 : 16,186.23 = 4,865.38 : x
  2. Step 2: Convert to fraction form
    10,790.74/16,186.23 = 4,865.38/x
  3. Step 3: Cross multiply
    10,790.74x = 16,186.23 × 4,865.38
  4. Step 4: Simplify right side
    10,790.74x = 78,752,159.72
  5. Step 5: Solve for x
    x = 78,752,159.72/10,790.74
  6. Step 6: Final answer
    x = 7,298.12

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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.