Home / 12,097.12-18,141.36-4,197.60

Finding the Fourth Proportional to 12,097.12, 18,141.36 and 4,197.60

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Solution

The fourth proportional to 12,097.12, 18,141.36 and 4,197.60 is: 6,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.12 : 18,141.36 = 4,197.60 : x
  2. Step 2: Convert to fraction form
    12,097.12/18,141.36 = 4,197.60/x
  3. Step 3: Cross multiply
    12,097.12x = 18,141.36 × 4,197.60
  4. Step 4: Simplify right side
    12,097.12x = 76,150,172.74
  5. Step 5: Solve for x
    x = 76,150,172.74/12,097.12
  6. Step 6: Final answer
    x = 6,294.90

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1.5x scale

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.