Home / 8,235.08-12,353.85-2,687.06

Finding the Fourth Proportional to 8,235.08, 12,353.85 and 2,687.06

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Solution

The fourth proportional to 8,235.08, 12,353.85 and 2,687.06 is: 4,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.08 : 12,353.85 = 2,687.06 : x
  2. Step 2: Convert to fraction form
    8,235.08/12,353.85 = 2,687.06/x
  3. Step 3: Cross multiply
    8,235.08x = 12,353.85 × 2,687.06
  4. Step 4: Simplify right side
    8,235.08x = 33,195,536.18
  5. Step 5: Solve for x
    x = 33,195,536.18/8,235.08
  6. Step 6: Final answer
    x = 4,030.99

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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.