Home / 8,158.11-12,237.97-2,610.06

Finding the Fourth Proportional to 8,158.11, 12,237.97 and 2,610.06

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Solution

The fourth proportional to 8,158.11, 12,237.97 and 2,610.06 is: 3,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.11 : 12,237.97 = 2,610.06 : x
  2. Step 2: Convert to fraction form
    8,158.11/12,237.97 = 2,610.06/x
  3. Step 3: Cross multiply
    8,158.11x = 12,237.97 × 2,610.06
  4. Step 4: Simplify right side
    8,158.11x = 31,941,835.98
  5. Step 5: Solve for x
    x = 31,941,835.98/8,158.11
  6. Step 6: Final answer
    x = 3,915.35

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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.