Home / 7,706.50-11,552.81-2,772.67

Finding the Fourth Proportional to 7,706.50, 11,552.81 and 2,772.67

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Solution

The fourth proportional to 7,706.50, 11,552.81 and 2,772.67 is: 4,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.50 : 11,552.81 = 2,772.67 : x
  2. Step 2: Convert to fraction form
    7,706.50/11,552.81 = 2,772.67/x
  3. Step 3: Cross multiply
    7,706.50x = 11,552.81 × 2,772.67
  4. Step 4: Simplify right side
    7,706.50x = 32,032,102.12
  5. Step 5: Solve for x
    x = 32,032,102.12/7,706.50
  6. Step 6: Final answer
    x = 4,156.51

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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.