Home / 8,101.74-12,153.63-2,258.34

Finding the Fourth Proportional to 8,101.74, 12,153.63 and 2,258.34

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Solution

The fourth proportional to 8,101.74, 12,153.63 and 2,258.34 is: 3,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.74 : 12,153.63 = 2,258.34 : x
  2. Step 2: Convert to fraction form
    8,101.74/12,153.63 = 2,258.34/x
  3. Step 3: Cross multiply
    8,101.74x = 12,153.63 × 2,258.34
  4. Step 4: Simplify right side
    8,101.74x = 27,447,028.77
  5. Step 5: Solve for x
    x = 27,447,028.77/8,101.74
  6. Step 6: Final answer
    x = 3,387.79

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Similar ratio
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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.