Home / 11,985.37-16,541.96-7,512.95

Finding the Fourth Proportional to 11,985.37, 16,541.96 and 7,512.95

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Solution

The fourth proportional to 11,985.37, 16,541.96 and 7,512.95 is: 10,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.37 : 16,541.96 = 7,512.95 : x
  2. Step 2: Convert to fraction form
    11,985.37/16,541.96 = 7,512.95/x
  3. Step 3: Cross multiply
    11,985.37x = 16,541.96 × 7,512.95
  4. Step 4: Simplify right side
    11,985.37x = 124,278,922.17
  5. Step 5: Solve for x
    x = 124,278,922.17/11,985.37
  6. Step 6: Final answer
    x = 10,369.22

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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.