Home / 12,197.02-18,295.10-5,172.52

Finding the Fourth Proportional to 12,197.02, 18,295.10 and 5,172.52

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Solution

The fourth proportional to 12,197.02, 18,295.10 and 5,172.52 is: 7,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.02 : 18,295.10 = 5,172.52 : x
  2. Step 2: Convert to fraction form
    12,197.02/18,295.10 = 5,172.52/x
  3. Step 3: Cross multiply
    12,197.02x = 18,295.10 × 5,172.52
  4. Step 4: Simplify right side
    12,197.02x = 94,631,770.65
  5. Step 5: Solve for x
    x = 94,631,770.65/12,197.02
  6. Step 6: Final answer
    x = 7,758.60

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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.