Home / 13,012.27-19,512.60-4,125.08

Finding the Fourth Proportional to 13,012.27, 19,512.60 and 4,125.08

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Solution

The fourth proportional to 13,012.27, 19,512.60 and 4,125.08 is: 6,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.27 : 19,512.60 = 4,125.08 : x
  2. Step 2: Convert to fraction form
    13,012.27/19,512.60 = 4,125.08/x
  3. Step 3: Cross multiply
    13,012.27x = 19,512.60 × 4,125.08
  4. Step 4: Simplify right side
    13,012.27x = 80,490,959.56
  5. Step 5: Solve for x
    x = 80,490,959.56/13,012.27
  6. Step 6: Final answer
    x = 6,185.77

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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.