Home / 7,216.06-9,957.48-4,190.37

Finding the Fourth Proportional to 7,216.06, 9,957.48 and 4,190.37

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Solution

The fourth proportional to 7,216.06, 9,957.48 and 4,190.37 is: 5,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.06 : 9,957.48 = 4,190.37 : x
  2. Step 2: Convert to fraction form
    7,216.06/9,957.48 = 4,190.37/x
  3. Step 3: Cross multiply
    7,216.06x = 9,957.48 × 4,190.37
  4. Step 4: Simplify right side
    7,216.06x = 41,725,525.47
  5. Step 5: Solve for x
    x = 41,725,525.47/7,216.06
  6. Step 6: Final answer
    x = 5,782.31

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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.