Home / 12,100.74-18,152.36-3,335.66

Finding the Fourth Proportional to 12,100.74, 18,152.36 and 3,335.66

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Solution

The fourth proportional to 12,100.74, 18,152.36 and 3,335.66 is: 5,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.74 : 18,152.36 = 3,335.66 : x
  2. Step 2: Convert to fraction form
    12,100.74/18,152.36 = 3,335.66/x
  3. Step 3: Cross multiply
    12,100.74x = 18,152.36 × 3,335.66
  4. Step 4: Simplify right side
    12,100.74x = 60,550,101.16
  5. Step 5: Solve for x
    x = 60,550,101.16/12,100.74
  6. Step 6: Final answer
    x = 5,003.83

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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.