Home / 7,211.77-9,952.37-4,229.75

Finding the Fourth Proportional to 7,211.77, 9,952.37 and 4,229.75

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Solution

The fourth proportional to 7,211.77, 9,952.37 and 4,229.75 is: 5,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.77 : 9,952.37 = 4,229.75 : x
  2. Step 2: Convert to fraction form
    7,211.77/9,952.37 = 4,229.75/x
  3. Step 3: Cross multiply
    7,211.77x = 9,952.37 × 4,229.75
  4. Step 4: Simplify right side
    7,211.77x = 42,096,056.60
  5. Step 5: Solve for x
    x = 42,096,056.60/7,211.77
  6. Step 6: Final answer
    x = 5,837.13

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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.