Home / 8,186.80-11,297.78-4,650.00

Finding the Fourth Proportional to 8,186.80, 11,297.78 and 4,650.00

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Solution

The fourth proportional to 8,186.80, 11,297.78 and 4,650.00 is: 6,416.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.80 : 11,297.78 = 4,650.00 : x
  2. Step 2: Convert to fraction form
    8,186.80/11,297.78 = 4,650.00/x
  3. Step 3: Cross multiply
    8,186.80x = 11,297.78 × 4,650.00
  4. Step 4: Simplify right side
    8,186.80x = 52,534,597.26
  5. Step 5: Solve for x
    x = 52,534,597.26/8,186.80
  6. Step 6: Final answer
    x = 6,416.99

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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.