Home / 6,422.06-8,860.52-4,429.46

Finding the Fourth Proportional to 6,422.06, 8,860.52 and 4,429.46

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Solution

The fourth proportional to 6,422.06, 8,860.52 and 4,429.46 is: 6,111.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.06 : 8,860.52 = 4,429.46 : x
  2. Step 2: Convert to fraction form
    6,422.06/8,860.52 = 4,429.46/x
  3. Step 3: Cross multiply
    6,422.06x = 8,860.52 × 4,429.46
  4. Step 4: Simplify right side
    6,422.06x = 39,247,318.92
  5. Step 5: Solve for x
    x = 39,247,318.92/6,422.06
  6. Step 6: Final answer
    x = 6,111.33

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Half scale
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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.