Home / 8,058.38-12,086.54-2,215.45

Finding the Fourth Proportional to 8,058.38, 12,086.54 and 2,215.45

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Solution

The fourth proportional to 8,058.38, 12,086.54 and 2,215.45 is: 3,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.38 : 12,086.54 = 2,215.45 : x
  2. Step 2: Convert to fraction form
    8,058.38/12,086.54 = 2,215.45/x
  3. Step 3: Cross multiply
    8,058.38x = 12,086.54 × 2,215.45
  4. Step 4: Simplify right side
    8,058.38x = 26,777,053.53
  5. Step 5: Solve for x
    x = 26,777,053.53/8,058.38
  6. Step 6: Final answer
    x = 3,322.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.