Home / 11,324.25-15,625.80-6,288.51

Finding the Fourth Proportional to 11,324.25, 15,625.80 and 6,288.51

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Solution

The fourth proportional to 11,324.25, 15,625.80 and 6,288.51 is: 8,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.25 : 15,625.80 = 6,288.51 : x
  2. Step 2: Convert to fraction form
    11,324.25/15,625.80 = 6,288.51/x
  3. Step 3: Cross multiply
    11,324.25x = 15,625.80 × 6,288.51
  4. Step 4: Simplify right side
    11,324.25x = 98,262,999.56
  5. Step 5: Solve for x
    x = 98,262,999.56/11,324.25
  6. Step 6: Final answer
    x = 8,677.22

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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.