Home / 9,622.75-13,279.44-5,206.75

Finding the Fourth Proportional to 9,622.75, 13,279.44 and 5,206.75

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Solution

The fourth proportional to 9,622.75, 13,279.44 and 5,206.75 is: 7,185.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.75 : 13,279.44 = 5,206.75 : x
  2. Step 2: Convert to fraction form
    9,622.75/13,279.44 = 5,206.75/x
  3. Step 3: Cross multiply
    9,622.75x = 13,279.44 × 5,206.75
  4. Step 4: Simplify right side
    9,622.75x = 69,142,698.19
  5. Step 5: Solve for x
    x = 69,142,698.19/9,622.75
  6. Step 6: Final answer
    x = 7,185.34

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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.