Home / 7,416.78-10,233.99-4,272.54

Finding the Fourth Proportional to 7,416.78, 10,233.99 and 4,272.54

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Solution

The fourth proportional to 7,416.78, 10,233.99 and 4,272.54 is: 5,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.78 : 10,233.99 = 4,272.54 : x
  2. Step 2: Convert to fraction form
    7,416.78/10,233.99 = 4,272.54/x
  3. Step 3: Cross multiply
    7,416.78x = 10,233.99 × 4,272.54
  4. Step 4: Simplify right side
    7,416.78x = 43,725,131.63
  5. Step 5: Solve for x
    x = 43,725,131.63/7,416.78
  6. Step 6: Final answer
    x = 5,895.43

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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.