Home / 12,088.80-18,100.40-6,233.85

Finding the Fourth Proportional to 12,088.80, 18,100.40 and 6,233.85

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Solution

The fourth proportional to 12,088.80, 18,100.40 and 6,233.85 is: 9,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.80 : 18,100.40 = 6,233.85 : x
  2. Step 2: Convert to fraction form
    12,088.80/18,100.40 = 6,233.85/x
  3. Step 3: Cross multiply
    12,088.80x = 18,100.40 × 6,233.85
  4. Step 4: Simplify right side
    12,088.80x = 112,835,147.37
  5. Step 5: Solve for x
    x = 112,835,147.37/12,088.80
  6. Step 6: Final answer
    x = 9,333.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.