Home / 7,306.86-10,958.40-2,111.52

Finding the Fourth Proportional to 7,306.86, 10,958.40 and 2,111.52

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Solution

The fourth proportional to 7,306.86, 10,958.40 and 2,111.52 is: 3,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.86 : 10,958.40 = 2,111.52 : x
  2. Step 2: Convert to fraction form
    7,306.86/10,958.40 = 2,111.52/x
  3. Step 3: Cross multiply
    7,306.86x = 10,958.40 × 2,111.52
  4. Step 4: Simplify right side
    7,306.86x = 23,138,880.77
  5. Step 5: Solve for x
    x = 23,138,880.77/7,306.86
  6. Step 6: Final answer
    x = 3,166.73

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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.