Home / 7,462.73-11,172.49-5,621.60

Finding the Fourth Proportional to 7,462.73, 11,172.49 and 5,621.60

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Solution

The fourth proportional to 7,462.73, 11,172.49 and 5,621.60 is: 8,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,462.73 : 11,172.49 = 5,621.60 : x
  2. Step 2: Convert to fraction form
    7,462.73/11,172.49 = 5,621.60/x
  3. Step 3: Cross multiply
    7,462.73x = 11,172.49 × 5,621.60
  4. Step 4: Simplify right side
    7,462.73x = 62,807,269.78
  5. Step 5: Solve for x
    x = 62,807,269.78/7,462.73
  6. Step 6: Final answer
    x = 8,416.13

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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.