Home / 11,020.74-16,509.24-5,159.58

Finding the Fourth Proportional to 11,020.74, 16,509.24 and 5,159.58

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Solution

The fourth proportional to 11,020.74, 16,509.24 and 5,159.58 is: 7,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.74 : 16,509.24 = 5,159.58 : x
  2. Step 2: Convert to fraction form
    11,020.74/16,509.24 = 5,159.58/x
  3. Step 3: Cross multiply
    11,020.74x = 16,509.24 × 5,159.58
  4. Step 4: Simplify right side
    11,020.74x = 85,180,744.52
  5. Step 5: Solve for x
    x = 85,180,744.52/11,020.74
  6. Step 6: Final answer
    x = 7,729.13

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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.