Home / 11,369.16-15,690.22-6,893.36

Finding the Fourth Proportional to 11,369.16, 15,690.22 and 6,893.36

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Solution

The fourth proportional to 11,369.16, 15,690.22 and 6,893.36 is: 9,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.16 : 15,690.22 = 6,893.36 : x
  2. Step 2: Convert to fraction form
    11,369.16/15,690.22 = 6,893.36/x
  3. Step 3: Cross multiply
    11,369.16x = 15,690.22 × 6,893.36
  4. Step 4: Simplify right side
    11,369.16x = 108,158,334.94
  5. Step 5: Solve for x
    x = 108,158,334.94/11,369.16
  6. Step 6: Final answer
    x = 9,513.31

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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.