Home / 7,801.08-11,644.50-6,768.24

Finding the Fourth Proportional to 7,801.08, 11,644.50 and 6,768.24

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Solution

The fourth proportional to 7,801.08, 11,644.50 and 6,768.24 is: 10,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.08 : 11,644.50 = 6,768.24 : x
  2. Step 2: Convert to fraction form
    7,801.08/11,644.50 = 6,768.24/x
  3. Step 3: Cross multiply
    7,801.08x = 11,644.50 × 6,768.24
  4. Step 4: Simplify right side
    7,801.08x = 78,812,770.68
  5. Step 5: Solve for x
    x = 78,812,770.68/7,801.08
  6. Step 6: Final answer
    x = 10,102.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.