Home / 11,170.49-15,415.29-6,135.04

Finding the Fourth Proportional to 11,170.49, 15,415.29 and 6,135.04

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Solution

The fourth proportional to 11,170.49, 15,415.29 and 6,135.04 is: 8,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.49 : 15,415.29 = 6,135.04 : x
  2. Step 2: Convert to fraction form
    11,170.49/15,415.29 = 6,135.04/x
  3. Step 3: Cross multiply
    11,170.49x = 15,415.29 × 6,135.04
  4. Step 4: Simplify right side
    11,170.49x = 94,573,343.69
  5. Step 5: Solve for x
    x = 94,573,343.69/11,170.49
  6. Step 6: Final answer
    x = 8,466.36

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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.