Home / 7,961.19-10,986.23-4,424.31

Finding the Fourth Proportional to 7,961.19, 10,986.23 and 4,424.31

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Solution

The fourth proportional to 7,961.19, 10,986.23 and 4,424.31 is: 6,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.19 : 10,986.23 = 4,424.31 : x
  2. Step 2: Convert to fraction form
    7,961.19/10,986.23 = 4,424.31/x
  3. Step 3: Cross multiply
    7,961.19x = 10,986.23 × 4,424.31
  4. Step 4: Simplify right side
    7,961.19x = 48,606,465.13
  5. Step 5: Solve for x
    x = 48,606,465.13/7,961.19
  6. Step 6: Final answer
    x = 6,105.43

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Double scale
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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.