Home / 12,004.02-18,008.06-5,342.92

Finding the Fourth Proportional to 12,004.02, 18,008.06 and 5,342.92

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Solution

The fourth proportional to 12,004.02, 18,008.06 and 5,342.92 is: 8,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.02 : 18,008.06 = 5,342.92 : x
  2. Step 2: Convert to fraction form
    12,004.02/18,008.06 = 5,342.92/x
  3. Step 3: Cross multiply
    12,004.02x = 18,008.06 × 5,342.92
  4. Step 4: Simplify right side
    12,004.02x = 96,215,623.94
  5. Step 5: Solve for x
    x = 96,215,623.94/12,004.02
  6. Step 6: Final answer
    x = 8,015.28

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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.