Home / 11,125.44-15,356.94-6,411.60

Finding the Fourth Proportional to 11,125.44, 15,356.94 and 6,411.60

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Solution

The fourth proportional to 11,125.44, 15,356.94 and 6,411.60 is: 8,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.44 : 15,356.94 = 6,411.60 : x
  2. Step 2: Convert to fraction form
    11,125.44/15,356.94 = 6,411.60/x
  3. Step 3: Cross multiply
    11,125.44x = 15,356.94 × 6,411.60
  4. Step 4: Simplify right side
    11,125.44x = 98,462,556.50
  5. Step 5: Solve for x
    x = 98,462,556.50/11,125.44
  6. Step 6: Final answer
    x = 8,850.22

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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.