Home / 8,800.06-12,136.89-6,277.72

Finding the Fourth Proportional to 8,800.06, 12,136.89 and 6,277.72

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Solution

The fourth proportional to 8,800.06, 12,136.89 and 6,277.72 is: 8,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.06 : 12,136.89 = 6,277.72 : x
  2. Step 2: Convert to fraction form
    8,800.06/12,136.89 = 6,277.72/x
  3. Step 3: Cross multiply
    8,800.06x = 12,136.89 × 6,277.72
  4. Step 4: Simplify right side
    8,800.06x = 76,191,997.09
  5. Step 5: Solve for x
    x = 76,191,997.09/8,800.06
  6. Step 6: Final answer
    x = 8,658.12

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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.