Home / 6,755.40-10,128.24-4,558.68

Finding the Fourth Proportional to 6,755.40, 10,128.24 and 4,558.68

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Solution

The fourth proportional to 6,755.40, 10,128.24 and 4,558.68 is: 6,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.40 : 10,128.24 = 4,558.68 : x
  2. Step 2: Convert to fraction form
    6,755.40/10,128.24 = 4,558.68/x
  3. Step 3: Cross multiply
    6,755.40x = 10,128.24 × 4,558.68
  4. Step 4: Simplify right side
    6,755.40x = 46,171,405.12
  5. Step 5: Solve for x
    x = 46,171,405.12/6,755.40
  6. Step 6: Final answer
    x = 6,834.74

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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.