Home / 9,106.94-13,664.72-5,416.44

Finding the Fourth Proportional to 9,106.94, 13,664.72 and 5,416.44

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Solution

The fourth proportional to 9,106.94, 13,664.72 and 5,416.44 is: 8,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.94 : 13,664.72 = 5,416.44 : x
  2. Step 2: Convert to fraction form
    9,106.94/13,664.72 = 5,416.44/x
  3. Step 3: Cross multiply
    9,106.94x = 13,664.72 × 5,416.44
  4. Step 4: Simplify right side
    9,106.94x = 74,014,149.54
  5. Step 5: Solve for x
    x = 74,014,149.54/9,106.94
  6. Step 6: Final answer
    x = 8,127.23

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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.