Home / 11,058.07-15,263.36-8,835.43

Finding the Fourth Proportional to 11,058.07, 15,263.36 and 8,835.43

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Solution

The fourth proportional to 11,058.07, 15,263.36 and 8,835.43 is: 12,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.07 : 15,263.36 = 8,835.43 : x
  2. Step 2: Convert to fraction form
    11,058.07/15,263.36 = 8,835.43/x
  3. Step 3: Cross multiply
    11,058.07x = 15,263.36 × 8,835.43
  4. Step 4: Simplify right side
    11,058.07x = 134,858,348.84
  5. Step 5: Solve for x
    x = 134,858,348.84/11,058.07
  6. Step 6: Final answer
    x = 12,195.47

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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.