Home / 12,007.02-18,004.60-3,685.04

Finding the Fourth Proportional to 12,007.02, 18,004.60 and 3,685.04

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Solution

The fourth proportional to 12,007.02, 18,004.60 and 3,685.04 is: 5,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.02 : 18,004.60 = 3,685.04 : x
  2. Step 2: Convert to fraction form
    12,007.02/18,004.60 = 3,685.04/x
  3. Step 3: Cross multiply
    12,007.02x = 18,004.60 × 3,685.04
  4. Step 4: Simplify right side
    12,007.02x = 66,347,671.18
  5. Step 5: Solve for x
    x = 66,347,671.18/12,007.02
  6. Step 6: Final answer
    x = 5,525.74

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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.