Home / 8,980.44-12,391.68-5,001.60

Finding the Fourth Proportional to 8,980.44, 12,391.68 and 5,001.60

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Solution

The fourth proportional to 8,980.44, 12,391.68 and 5,001.60 is: 6,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.44 : 12,391.68 = 5,001.60 : x
  2. Step 2: Convert to fraction form
    8,980.44/12,391.68 = 5,001.60/x
  3. Step 3: Cross multiply
    8,980.44x = 12,391.68 × 5,001.60
  4. Step 4: Simplify right side
    8,980.44x = 61,978,226.69
  5. Step 5: Solve for x
    x = 61,978,226.69/8,980.44
  6. Step 6: Final answer
    x = 6,901.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.