Home / 8,935.24-12,331.86-5,400.52

Finding the Fourth Proportional to 8,935.24, 12,331.86 and 5,400.52

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Solution

The fourth proportional to 8,935.24, 12,331.86 and 5,400.52 is: 7,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.24 : 12,331.86 = 5,400.52 : x
  2. Step 2: Convert to fraction form
    8,935.24/12,331.86 = 5,400.52/x
  3. Step 3: Cross multiply
    8,935.24x = 12,331.86 × 5,400.52
  4. Step 4: Simplify right side
    8,935.24x = 66,598,456.57
  5. Step 5: Solve for x
    x = 66,598,456.57/8,935.24
  6. Step 6: Final answer
    x = 7,453.46

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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.