Home / 8,228.75-11,355.86-4,692.29

Finding the Fourth Proportional to 8,228.75, 11,355.86 and 4,692.29

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Solution

The fourth proportional to 8,228.75, 11,355.86 and 4,692.29 is: 6,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.75 : 11,355.86 = 4,692.29 : x
  2. Step 2: Convert to fraction form
    8,228.75/11,355.86 = 4,692.29/x
  3. Step 3: Cross multiply
    8,228.75x = 11,355.86 × 4,692.29
  4. Step 4: Simplify right side
    8,228.75x = 53,284,943.27
  5. Step 5: Solve for x
    x = 53,284,943.27/8,228.75
  6. Step 6: Final answer
    x = 6,475.46

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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.