Home / 8,770.23-12,102.75-4,791.33

Finding the Fourth Proportional to 8,770.23, 12,102.75 and 4,791.33

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Solution

The fourth proportional to 8,770.23, 12,102.75 and 4,791.33 is: 6,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.23 : 12,102.75 = 4,791.33 : x
  2. Step 2: Convert to fraction form
    8,770.23/12,102.75 = 4,791.33/x
  3. Step 3: Cross multiply
    8,770.23x = 12,102.75 × 4,791.33
  4. Step 4: Simplify right side
    8,770.23x = 57,988,269.16
  5. Step 5: Solve for x
    x = 57,988,269.16/8,770.23
  6. Step 6: Final answer
    x = 6,611.94

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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.