Home / 8,842.81-13,244.61-5,135.85

Finding the Fourth Proportional to 8,842.81, 13,244.61 and 5,135.85

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Solution

The fourth proportional to 8,842.81, 13,244.61 and 5,135.85 is: 7,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.81 : 13,244.61 = 5,135.85 : x
  2. Step 2: Convert to fraction form
    8,842.81/13,244.61 = 5,135.85/x
  3. Step 3: Cross multiply
    8,842.81x = 13,244.61 × 5,135.85
  4. Step 4: Simplify right side
    8,842.81x = 68,022,330.27
  5. Step 5: Solve for x
    x = 68,022,330.27/8,842.81
  6. Step 6: Final answer
    x = 7,692.39

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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.