Home / 10,782.36-14,879.62-6,066.64

Finding the Fourth Proportional to 10,782.36, 14,879.62 and 6,066.64

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Solution

The fourth proportional to 10,782.36, 14,879.62 and 6,066.64 is: 8,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.36 : 14,879.62 = 6,066.64 : x
  2. Step 2: Convert to fraction form
    10,782.36/14,879.62 = 6,066.64/x
  3. Step 3: Cross multiply
    10,782.36x = 14,879.62 × 6,066.64
  4. Step 4: Simplify right side
    10,782.36x = 90,269,297.88
  5. Step 5: Solve for x
    x = 90,269,297.88/10,782.36
  6. Step 6: Final answer
    x = 8,371.94

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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.