Home / 8,226.02-12,260.82-7,758.95

Finding the Fourth Proportional to 8,226.02, 12,260.82 and 7,758.95

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Solution

The fourth proportional to 8,226.02, 12,260.82 and 7,758.95 is: 11,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.02 : 12,260.82 = 7,758.95 : x
  2. Step 2: Convert to fraction form
    8,226.02/12,260.82 = 7,758.95/x
  3. Step 3: Cross multiply
    8,226.02x = 12,260.82 × 7,758.95
  4. Step 4: Simplify right side
    8,226.02x = 95,131,089.34
  5. Step 5: Solve for x
    x = 95,131,089.34/8,226.02
  6. Step 6: Final answer
    x = 11,564.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.