Home / 8,625.89-11,903.06-5,270.33

Finding the Fourth Proportional to 8,625.89, 11,903.06 and 5,270.33

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Solution

The fourth proportional to 8,625.89, 11,903.06 and 5,270.33 is: 7,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.89 : 11,903.06 = 5,270.33 : x
  2. Step 2: Convert to fraction form
    8,625.89/11,903.06 = 5,270.33/x
  3. Step 3: Cross multiply
    8,625.89x = 11,903.06 × 5,270.33
  4. Step 4: Simplify right side
    8,625.89x = 62,733,007.87
  5. Step 5: Solve for x
    x = 62,733,007.87/8,625.89
  6. Step 6: Final answer
    x = 7,272.65

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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.