Home / 11,163.24-16,720.56-5,302.08

Finding the Fourth Proportional to 11,163.24, 16,720.56 and 5,302.08

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Solution

The fourth proportional to 11,163.24, 16,720.56 and 5,302.08 is: 7,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.24 : 16,720.56 = 5,302.08 : x
  2. Step 2: Convert to fraction form
    11,163.24/16,720.56 = 5,302.08/x
  3. Step 3: Cross multiply
    11,163.24x = 16,720.56 × 5,302.08
  4. Step 4: Simplify right side
    11,163.24x = 88,653,746.76
  5. Step 5: Solve for x
    x = 88,653,746.76/11,163.24
  6. Step 6: Final answer
    x = 7,941.58

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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.