Home / 9,192.84-12,679.17-6,364.95

Finding the Fourth Proportional to 9,192.84, 12,679.17 and 6,364.95

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Solution

The fourth proportional to 9,192.84, 12,679.17 and 6,364.95 is: 8,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.84 : 12,679.17 = 6,364.95 : x
  2. Step 2: Convert to fraction form
    9,192.84/12,679.17 = 6,364.95/x
  3. Step 3: Cross multiply
    9,192.84x = 12,679.17 × 6,364.95
  4. Step 4: Simplify right side
    9,192.84x = 80,702,235.48
  5. Step 5: Solve for x
    x = 80,702,235.48/9,192.84
  6. Step 6: Final answer
    x = 8,778.81

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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.