Home / 12,471.03-18,709.38-4,152.06

Finding the Fourth Proportional to 12,471.03, 18,709.38 and 4,152.06

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Solution

The fourth proportional to 12,471.03, 18,709.38 and 4,152.06 is: 6,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.03 : 18,709.38 = 4,152.06 : x
  2. Step 2: Convert to fraction form
    12,471.03/18,709.38 = 4,152.06/x
  3. Step 3: Cross multiply
    12,471.03x = 18,709.38 × 4,152.06
  4. Step 4: Simplify right side
    12,471.03x = 77,682,468.32
  5. Step 5: Solve for x
    x = 77,682,468.32/12,471.03
  6. Step 6: Final answer
    x = 6,229.03

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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.