Home / 9,330.74-12,876.40-5,081.73

Finding the Fourth Proportional to 9,330.74, 12,876.40 and 5,081.73

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Solution

The fourth proportional to 9,330.74, 12,876.40 and 5,081.73 is: 7,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.74 : 12,876.40 = 5,081.73 : x
  2. Step 2: Convert to fraction form
    9,330.74/12,876.40 = 5,081.73/x
  3. Step 3: Cross multiply
    9,330.74x = 12,876.40 × 5,081.73
  4. Step 4: Simplify right side
    9,330.74x = 65,434,388.17
  5. Step 5: Solve for x
    x = 65,434,388.17/9,330.74
  6. Step 6: Final answer
    x = 7,012.78

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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.