Home / 12,247.07-18,371.21-3,482.60

Finding the Fourth Proportional to 12,247.07, 18,371.21 and 3,482.60

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Solution

The fourth proportional to 12,247.07, 18,371.21 and 3,482.60 is: 5,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.07 : 18,371.21 = 3,482.60 : x
  2. Step 2: Convert to fraction form
    12,247.07/18,371.21 = 3,482.60/x
  3. Step 3: Cross multiply
    12,247.07x = 18,371.21 × 3,482.60
  4. Step 4: Simplify right side
    12,247.07x = 63,979,466.68
  5. Step 5: Solve for x
    x = 63,979,466.68/12,247.07
  6. Step 6: Final answer
    x = 5,224.07

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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.