Home / 8,333.57-11,500.33-4,796.78

Finding the Fourth Proportional to 8,333.57, 11,500.33 and 4,796.78

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Solution

The fourth proportional to 8,333.57, 11,500.33 and 4,796.78 is: 6,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.57 : 11,500.33 = 4,796.78 : x
  2. Step 2: Convert to fraction form
    8,333.57/11,500.33 = 4,796.78/x
  3. Step 3: Cross multiply
    8,333.57x = 11,500.33 × 4,796.78
  4. Step 4: Simplify right side
    8,333.57x = 55,164,526.57
  5. Step 5: Solve for x
    x = 55,164,526.57/8,333.57
  6. Step 6: Final answer
    x = 6,619.56

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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.