Home / 7,213.48-9,955.36-4,229.44

Finding the Fourth Proportional to 7,213.48, 9,955.36 and 4,229.44

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Solution

The fourth proportional to 7,213.48, 9,955.36 and 4,229.44 is: 5,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.48 : 9,955.36 = 4,229.44 : x
  2. Step 2: Convert to fraction form
    7,213.48/9,955.36 = 4,229.44/x
  3. Step 3: Cross multiply
    7,213.48x = 9,955.36 × 4,229.44
  4. Step 4: Simplify right side
    7,213.48x = 42,105,597.80
  5. Step 5: Solve for x
    x = 42,105,597.80/7,213.48
  6. Step 6: Final answer
    x = 5,837.07

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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.