Home / 8,625.47-11,903.48-5,269.79

Finding the Fourth Proportional to 8,625.47, 11,903.48 and 5,269.79

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Solution

The fourth proportional to 8,625.47, 11,903.48 and 5,269.79 is: 7,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.47 : 11,903.48 = 5,269.79 : x
  2. Step 2: Convert to fraction form
    8,625.47/11,903.48 = 5,269.79/x
  3. Step 3: Cross multiply
    8,625.47x = 11,903.48 × 5,269.79
  4. Step 4: Simplify right side
    8,625.47x = 62,728,754.00
  5. Step 5: Solve for x
    x = 62,728,754.00/8,625.47
  6. Step 6: Final answer
    x = 7,272.51

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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.