Home / 11,293.61-15,583.19-6,512.51

Finding the Fourth Proportional to 11,293.61, 15,583.19 and 6,512.51

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Solution

The fourth proportional to 11,293.61, 15,583.19 and 6,512.51 is: 8,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.61 : 15,583.19 = 6,512.51 : x
  2. Step 2: Convert to fraction form
    11,293.61/15,583.19 = 6,512.51/x
  3. Step 3: Cross multiply
    11,293.61x = 15,583.19 × 6,512.51
  4. Step 4: Simplify right side
    11,293.61x = 101,485,687.10
  5. Step 5: Solve for x
    x = 101,485,687.10/11,293.61
  6. Step 6: Final answer
    x = 8,986.12

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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.