Home / 11,144.98-15,378.60-6,667.84

Finding the Fourth Proportional to 11,144.98, 15,378.60 and 6,667.84

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Solution

The fourth proportional to 11,144.98, 15,378.60 and 6,667.84 is: 9,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.98 : 15,378.60 = 6,667.84 : x
  2. Step 2: Convert to fraction form
    11,144.98/15,378.60 = 6,667.84/x
  3. Step 3: Cross multiply
    11,144.98x = 15,378.60 × 6,667.84
  4. Step 4: Simplify right side
    11,144.98x = 102,542,044.22
  5. Step 5: Solve for x
    x = 102,542,044.22/11,144.98
  6. Step 6: Final answer
    x = 9,200.74

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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.