Home / 9,188.70-12,680.04-4,996.95

Finding the Fourth Proportional to 9,188.70, 12,680.04 and 4,996.95

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Solution

The fourth proportional to 9,188.70, 12,680.04 and 4,996.95 is: 6,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.70 : 12,680.04 = 4,996.95 : x
  2. Step 2: Convert to fraction form
    9,188.70/12,680.04 = 4,996.95/x
  3. Step 3: Cross multiply
    9,188.70x = 12,680.04 × 4,996.95
  4. Step 4: Simplify right side
    9,188.70x = 63,361,525.88
  5. Step 5: Solve for x
    x = 63,361,525.88/9,188.70
  6. Step 6: Final answer
    x = 6,895.59

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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.