Home / 8,549.12-11,796.48-5,409.60

Finding the Fourth Proportional to 8,549.12, 11,796.48 and 5,409.60

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Solution

The fourth proportional to 8,549.12, 11,796.48 and 5,409.60 is: 7,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.12 : 11,796.48 = 5,409.60 : x
  2. Step 2: Convert to fraction form
    8,549.12/11,796.48 = 5,409.60/x
  3. Step 3: Cross multiply
    8,549.12x = 11,796.48 × 5,409.60
  4. Step 4: Simplify right side
    8,549.12x = 63,814,238.21
  5. Step 5: Solve for x
    x = 63,814,238.21/8,549.12
  6. Step 6: Final answer
    x = 7,464.42

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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.