Home / 7,975.97-11,006.37-4,618.54

Finding the Fourth Proportional to 7,975.97, 11,006.37 and 4,618.54

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Solution

The fourth proportional to 7,975.97, 11,006.37 and 4,618.54 is: 6,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.97 : 11,006.37 = 4,618.54 : x
  2. Step 2: Convert to fraction form
    7,975.97/11,006.37 = 4,618.54/x
  3. Step 3: Cross multiply
    7,975.97x = 11,006.37 × 4,618.54
  4. Step 4: Simplify right side
    7,975.97x = 50,833,360.10
  5. Step 5: Solve for x
    x = 50,833,360.10/7,975.97
  6. Step 6: Final answer
    x = 6,373.31

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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.