Home / 7,701.74-11,552.61-3,081.50

Finding the Fourth Proportional to 7,701.74, 11,552.61 and 3,081.50

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Solution

The fourth proportional to 7,701.74, 11,552.61 and 3,081.50 is: 4,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.74 : 11,552.61 = 3,081.50 : x
  2. Step 2: Convert to fraction form
    7,701.74/11,552.61 = 3,081.50/x
  3. Step 3: Cross multiply
    7,701.74x = 11,552.61 × 3,081.50
  4. Step 4: Simplify right side
    7,701.74x = 35,599,367.72
  5. Step 5: Solve for x
    x = 35,599,367.72/7,701.74
  6. Step 6: Final answer
    x = 4,622.25

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Double scale
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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.