Home / 8,058.42-12,087.90-2,215.08

Finding the Fourth Proportional to 8,058.42, 12,087.90 and 2,215.08

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Solution

The fourth proportional to 8,058.42, 12,087.90 and 2,215.08 is: 3,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.42 : 12,087.90 = 2,215.08 : x
  2. Step 2: Convert to fraction form
    8,058.42/12,087.90 = 2,215.08/x
  3. Step 3: Cross multiply
    8,058.42x = 12,087.90 × 2,215.08
  4. Step 4: Simplify right side
    8,058.42x = 26,775,665.53
  5. Step 5: Solve for x
    x = 26,775,665.53/8,058.42
  6. Step 6: Final answer
    x = 3,322.69

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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.