Home / 12,449.37-17,179.91-6,784.16

Finding the Fourth Proportional to 12,449.37, 17,179.91 and 6,784.16

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Solution

The fourth proportional to 12,449.37, 17,179.91 and 6,784.16 is: 9,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.37 : 17,179.91 = 6,784.16 : x
  2. Step 2: Convert to fraction form
    12,449.37/17,179.91 = 6,784.16/x
  3. Step 3: Cross multiply
    12,449.37x = 17,179.91 × 6,784.16
  4. Step 4: Simplify right side
    12,449.37x = 116,551,138.41
  5. Step 5: Solve for x
    x = 116,551,138.41/12,449.37
  6. Step 6: Final answer
    x = 9,362.01

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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.