Home / 11,140.08-16,708.24-5,217.60

Finding the Fourth Proportional to 11,140.08, 16,708.24 and 5,217.60

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Solution

The fourth proportional to 11,140.08, 16,708.24 and 5,217.60 is: 7,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.08 : 16,708.24 = 5,217.60 : x
  2. Step 2: Convert to fraction form
    11,140.08/16,708.24 = 5,217.60/x
  3. Step 3: Cross multiply
    11,140.08x = 16,708.24 × 5,217.60
  4. Step 4: Simplify right side
    11,140.08x = 87,176,913.02
  5. Step 5: Solve for x
    x = 87,176,913.02/11,140.08
  6. Step 6: Final answer
    x = 7,825.52

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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.