Home / 11,029.76-16,528.44-8,243.36

Finding the Fourth Proportional to 11,029.76, 16,528.44 and 8,243.36

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Solution

The fourth proportional to 11,029.76, 16,528.44 and 8,243.36 is: 12,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.76 : 16,528.44 = 8,243.36 : x
  2. Step 2: Convert to fraction form
    11,029.76/16,528.44 = 8,243.36/x
  3. Step 3: Cross multiply
    11,029.76x = 16,528.44 × 8,243.36
  4. Step 4: Simplify right side
    11,029.76x = 136,249,881.16
  5. Step 5: Solve for x
    x = 136,249,881.16/11,029.76
  6. Step 6: Final answer
    x = 12,352.93

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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.