Home / 10,262.11-15,396.41-4,421.47

Finding the Fourth Proportional to 10,262.11, 15,396.41 and 4,421.47

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Solution

The fourth proportional to 10,262.11, 15,396.41 and 4,421.47 is: 6,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.11 : 15,396.41 = 4,421.47 : x
  2. Step 2: Convert to fraction form
    10,262.11/15,396.41 = 4,421.47/x
  3. Step 3: Cross multiply
    10,262.11x = 15,396.41 × 4,421.47
  4. Step 4: Simplify right side
    10,262.11x = 68,074,764.92
  5. Step 5: Solve for x
    x = 68,074,764.92/10,262.11
  6. Step 6: Final answer
    x = 6,633.60

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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.