Home / 11,168.60-15,395.82-6,969.56

Finding the Fourth Proportional to 11,168.60, 15,395.82 and 6,969.56

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Solution

The fourth proportional to 11,168.60, 15,395.82 and 6,969.56 is: 9,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.60 : 15,395.82 = 6,969.56 : x
  2. Step 2: Convert to fraction form
    11,168.60/15,395.82 = 6,969.56/x
  3. Step 3: Cross multiply
    11,168.60x = 15,395.82 × 6,969.56
  4. Step 4: Simplify right side
    11,168.60x = 107,302,091.24
  5. Step 5: Solve for x
    x = 107,302,091.24/11,168.60
  6. Step 6: Final answer
    x = 9,607.48

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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.