Home / 8,262.28-11,398.36-4,724.20

Finding the Fourth Proportional to 8,262.28, 11,398.36 and 4,724.20

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Solution

The fourth proportional to 8,262.28, 11,398.36 and 4,724.20 is: 6,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.28 : 11,398.36 = 4,724.20 : x
  2. Step 2: Convert to fraction form
    8,262.28/11,398.36 = 4,724.20/x
  3. Step 3: Cross multiply
    8,262.28x = 11,398.36 × 4,724.20
  4. Step 4: Simplify right side
    8,262.28x = 53,848,132.31
  5. Step 5: Solve for x
    x = 53,848,132.31/8,262.28
  6. Step 6: Final answer
    x = 6,517.35

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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.