Home / 7,556.50-10,427.25-6,999.22

Finding the Fourth Proportional to 7,556.50, 10,427.25 and 6,999.22

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Solution

The fourth proportional to 7,556.50, 10,427.25 and 6,999.22 is: 9,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.50 : 10,427.25 = 6,999.22 : x
  2. Step 2: Convert to fraction form
    7,556.50/10,427.25 = 6,999.22/x
  3. Step 3: Cross multiply
    7,556.50x = 10,427.25 × 6,999.22
  4. Step 4: Simplify right side
    7,556.50x = 72,982,616.92
  5. Step 5: Solve for x
    x = 72,982,616.92/7,556.50
  6. Step 6: Final answer
    x = 9,658.26

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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.