Home / 7,305.81-10,082.12-4,161.93

Finding the Fourth Proportional to 7,305.81, 10,082.12 and 4,161.93

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Solution

The fourth proportional to 7,305.81, 10,082.12 and 4,161.93 is: 5,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.81 : 10,082.12 = 4,161.93 : x
  2. Step 2: Convert to fraction form
    7,305.81/10,082.12 = 4,161.93/x
  3. Step 3: Cross multiply
    7,305.81x = 10,082.12 × 4,161.93
  4. Step 4: Simplify right side
    7,305.81x = 41,961,042.48
  5. Step 5: Solve for x
    x = 41,961,042.48/7,305.81
  6. Step 6: Final answer
    x = 5,743.52

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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.