Home / 10,820.08-16,232.56-3,424.98

Finding the Fourth Proportional to 10,820.08, 16,232.56 and 3,424.98

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Solution

The fourth proportional to 10,820.08, 16,232.56 and 3,424.98 is: 5,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.08 : 16,232.56 = 3,424.98 : x
  2. Step 2: Convert to fraction form
    10,820.08/16,232.56 = 3,424.98/x
  3. Step 3: Cross multiply
    10,820.08x = 16,232.56 × 3,424.98
  4. Step 4: Simplify right side
    10,820.08x = 55,596,193.35
  5. Step 5: Solve for x
    x = 55,596,193.35/10,820.08
  6. Step 6: Final answer
    x = 5,138.24

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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.