Home / 7,763.10-11,628.45-5,812.62

Finding the Fourth Proportional to 7,763.10, 11,628.45 and 5,812.62

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Solution

The fourth proportional to 7,763.10, 11,628.45 and 5,812.62 is: 8,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.10 : 11,628.45 = 5,812.62 : x
  2. Step 2: Convert to fraction form
    7,763.10/11,628.45 = 5,812.62/x
  3. Step 3: Cross multiply
    7,763.10x = 11,628.45 × 5,812.62
  4. Step 4: Simplify right side
    7,763.10x = 67,591,761.04
  5. Step 5: Solve for x
    x = 67,591,761.04/7,763.10
  6. Step 6: Final answer
    x = 8,706.80

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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.