Home / 7,398.48-10,208.97-4,212.19

Finding the Fourth Proportional to 7,398.48, 10,208.97 and 4,212.19

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Solution

The fourth proportional to 7,398.48, 10,208.97 and 4,212.19 is: 5,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.48 : 10,208.97 = 4,212.19 : x
  2. Step 2: Convert to fraction form
    7,398.48/10,208.97 = 4,212.19/x
  3. Step 3: Cross multiply
    7,398.48x = 10,208.97 × 4,212.19
  4. Step 4: Simplify right side
    7,398.48x = 43,002,121.34
  5. Step 5: Solve for x
    x = 43,002,121.34/7,398.48
  6. Step 6: Final answer
    x = 5,812.30

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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.