Home / 7,967.13-11,950.72-2,420.52

Finding the Fourth Proportional to 7,967.13, 11,950.72 and 2,420.52

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Solution

The fourth proportional to 7,967.13, 11,950.72 and 2,420.52 is: 3,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.13 : 11,950.72 = 2,420.52 : x
  2. Step 2: Convert to fraction form
    7,967.13/11,950.72 = 2,420.52/x
  3. Step 3: Cross multiply
    7,967.13x = 11,950.72 × 2,420.52
  4. Step 4: Simplify right side
    7,967.13x = 28,926,956.77
  5. Step 5: Solve for x
    x = 28,926,956.77/7,967.13
  6. Step 6: Final answer
    x = 3,630.79

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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.