Home / 11,124.06-15,351.22-6,408.36

Finding the Fourth Proportional to 11,124.06, 15,351.22 and 6,408.36

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Solution

The fourth proportional to 11,124.06, 15,351.22 and 6,408.36 is: 8,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.06 : 15,351.22 = 6,408.36 : x
  2. Step 2: Convert to fraction form
    11,124.06/15,351.22 = 6,408.36/x
  3. Step 3: Cross multiply
    11,124.06x = 15,351.22 × 6,408.36
  4. Step 4: Simplify right side
    11,124.06x = 98,376,144.20
  5. Step 5: Solve for x
    x = 98,376,144.20/11,124.06
  6. Step 6: Final answer
    x = 8,843.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.