Home / 8,261.31-11,398.77-4,902.42

Finding the Fourth Proportional to 8,261.31, 11,398.77 and 4,902.42

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Solution

The fourth proportional to 8,261.31, 11,398.77 and 4,902.42 is: 6,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.31 : 11,398.77 = 4,902.42 : x
  2. Step 2: Convert to fraction form
    8,261.31/11,398.77 = 4,902.42/x
  3. Step 3: Cross multiply
    8,261.31x = 11,398.77 × 4,902.42
  4. Step 4: Simplify right side
    8,261.31x = 55,881,558.02
  5. Step 5: Solve for x
    x = 55,881,558.02/8,261.31
  6. Step 6: Final answer
    x = 6,764.25

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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.