Home / 8,282.48-11,429.86-4,745.90

Finding the Fourth Proportional to 8,282.48, 11,429.86 and 4,745.90

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Solution

The fourth proportional to 8,282.48, 11,429.86 and 4,745.90 is: 6,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.48 : 11,429.86 = 4,745.90 : x
  2. Step 2: Convert to fraction form
    8,282.48/11,429.86 = 4,745.90/x
  3. Step 3: Cross multiply
    8,282.48x = 11,429.86 × 4,745.90
  4. Step 4: Simplify right side
    8,282.48x = 54,244,972.57
  5. Step 5: Solve for x
    x = 54,244,972.57/8,282.48
  6. Step 6: Final answer
    x = 6,549.36

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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.