Home / 9,212.03-13,817.86-2,972.51

Finding the Fourth Proportional to 9,212.03, 13,817.86 and 2,972.51

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Solution

The fourth proportional to 9,212.03, 13,817.86 and 2,972.51 is: 4,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.03 : 13,817.86 = 2,972.51 : x
  2. Step 2: Convert to fraction form
    9,212.03/13,817.86 = 2,972.51/x
  3. Step 3: Cross multiply
    9,212.03x = 13,817.86 × 2,972.51
  4. Step 4: Simplify right side
    9,212.03x = 41,073,650.51
  5. Step 5: Solve for x
    x = 41,073,650.51/9,212.03
  6. Step 6: Final answer
    x = 4,458.70

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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.