Home / 7,398.73-10,209.32-4,212.43

Finding the Fourth Proportional to 7,398.73, 10,209.32 and 4,212.43

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Solution

The fourth proportional to 7,398.73, 10,209.32 and 4,212.43 is: 5,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.73 : 10,209.32 = 4,212.43 : x
  2. Step 2: Convert to fraction form
    7,398.73/10,209.32 = 4,212.43/x
  3. Step 3: Cross multiply
    7,398.73x = 10,209.32 × 4,212.43
  4. Step 4: Simplify right side
    7,398.73x = 43,006,045.85
  5. Step 5: Solve for x
    x = 43,006,045.85/7,398.73
  6. Step 6: Final answer
    x = 5,812.63

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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.