Home / 7,222.50-9,967.29-4,427.46

Finding the Fourth Proportional to 7,222.50, 9,967.29 and 4,427.46

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Solution

The fourth proportional to 7,222.50, 9,967.29 and 4,427.46 is: 6,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.50 : 9,967.29 = 4,427.46 : x
  2. Step 2: Convert to fraction form
    7,222.50/9,967.29 = 4,427.46/x
  3. Step 3: Cross multiply
    7,222.50x = 9,967.29 × 4,427.46
  4. Step 4: Simplify right side
    7,222.50x = 44,129,777.78
  5. Step 5: Solve for x
    x = 44,129,777.78/7,222.50
  6. Step 6: Final answer
    x = 6,110.04

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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.