Home / 6,918.10-9,550.07-4,686.75

Finding the Fourth Proportional to 6,918.10, 9,550.07 and 4,686.75

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Solution

The fourth proportional to 6,918.10, 9,550.07 and 4,686.75 is: 6,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.10 : 9,550.07 = 4,686.75 : x
  2. Step 2: Convert to fraction form
    6,918.10/9,550.07 = 4,686.75/x
  3. Step 3: Cross multiply
    6,918.10x = 9,550.07 × 4,686.75
  4. Step 4: Simplify right side
    6,918.10x = 44,758,790.57
  5. Step 5: Solve for x
    x = 44,758,790.57/6,918.10
  6. Step 6: Final answer
    x = 6,469.81

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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.