Home / 10,745.51-16,109.07-4,078.26

Finding the Fourth Proportional to 10,745.51, 16,109.07 and 4,078.26

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Solution

The fourth proportional to 10,745.51, 16,109.07 and 4,078.26 is: 6,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.51 : 16,109.07 = 4,078.26 : x
  2. Step 2: Convert to fraction form
    10,745.51/16,109.07 = 4,078.26/x
  3. Step 3: Cross multiply
    10,745.51x = 16,109.07 × 4,078.26
  4. Step 4: Simplify right side
    10,745.51x = 65,696,975.82
  5. Step 5: Solve for x
    x = 65,696,975.82/10,745.51
  6. Step 6: Final answer
    x = 6,113.90

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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.