Home / 12,211.32-16,852.14-8,023.80

Finding the Fourth Proportional to 12,211.32, 16,852.14 and 8,023.80

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Solution

The fourth proportional to 12,211.32, 16,852.14 and 8,023.80 is: 11,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.32 : 16,852.14 = 8,023.80 : x
  2. Step 2: Convert to fraction form
    12,211.32/16,852.14 = 8,023.80/x
  3. Step 3: Cross multiply
    12,211.32x = 16,852.14 × 8,023.80
  4. Step 4: Simplify right side
    12,211.32x = 135,218,200.93
  5. Step 5: Solve for x
    x = 135,218,200.93/12,211.32
  6. Step 6: Final answer
    x = 11,073.18

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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.