Home / 8,240.31-11,371.60-4,463.47

Finding the Fourth Proportional to 8,240.31, 11,371.60 and 4,463.47

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Solution

The fourth proportional to 8,240.31, 11,371.60 and 4,463.47 is: 6,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.31 : 11,371.60 = 4,463.47 : x
  2. Step 2: Convert to fraction form
    8,240.31/11,371.60 = 4,463.47/x
  3. Step 3: Cross multiply
    8,240.31x = 11,371.60 × 4,463.47
  4. Step 4: Simplify right side
    8,240.31x = 50,756,716.28
  5. Step 5: Solve for x
    x = 50,756,716.28/8,240.31
  6. Step 6: Final answer
    x = 6,159.57

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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.