Home / 9,845.50-14,772.60-5,164.39

Finding the Fourth Proportional to 9,845.50, 14,772.60 and 5,164.39

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Solution

The fourth proportional to 9,845.50, 14,772.60 and 5,164.39 is: 7,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.50 : 14,772.60 = 5,164.39 : x
  2. Step 2: Convert to fraction form
    9,845.50/14,772.60 = 5,164.39/x
  3. Step 3: Cross multiply
    9,845.50x = 14,772.60 × 5,164.39
  4. Step 4: Simplify right side
    9,845.50x = 76,291,467.71
  5. Step 5: Solve for x
    x = 76,291,467.71/9,845.50
  6. Step 6: Final answer
    x = 7,748.87

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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.