Home / 7,360.61-10,120.21-6,556.48

Finding the Fourth Proportional to 7,360.61, 10,120.21 and 6,556.48

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Solution

The fourth proportional to 7,360.61, 10,120.21 and 6,556.48 is: 9,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.61 : 10,120.21 = 6,556.48 : x
  2. Step 2: Convert to fraction form
    7,360.61/10,120.21 = 6,556.48/x
  3. Step 3: Cross multiply
    7,360.61x = 10,120.21 × 6,556.48
  4. Step 4: Simplify right side
    7,360.61x = 66,352,912.77
  5. Step 5: Solve for x
    x = 66,352,912.77/7,360.61
  6. Step 6: Final answer
    x = 9,014.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.