Home / 7,166.24-10,749.04-1,972.32

Finding the Fourth Proportional to 7,166.24, 10,749.04 and 1,972.32

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Solution

The fourth proportional to 7,166.24, 10,749.04 and 1,972.32 is: 2,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.24 : 10,749.04 = 1,972.32 : x
  2. Step 2: Convert to fraction form
    7,166.24/10,749.04 = 1,972.32/x
  3. Step 3: Cross multiply
    7,166.24x = 10,749.04 × 1,972.32
  4. Step 4: Simplify right side
    7,166.24x = 21,200,546.57
  5. Step 5: Solve for x
    x = 21,200,546.57/7,166.24
  6. Step 6: Final answer
    x = 2,958.39

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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.