Home / 12,867.44-17,749.08-9,334.64

Finding the Fourth Proportional to 12,867.44, 17,749.08 and 9,334.64

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Solution

The fourth proportional to 12,867.44, 17,749.08 and 9,334.64 is: 12,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.44 : 17,749.08 = 9,334.64 : x
  2. Step 2: Convert to fraction form
    12,867.44/17,749.08 = 9,334.64/x
  3. Step 3: Cross multiply
    12,867.44x = 17,749.08 × 9,334.64
  4. Step 4: Simplify right side
    12,867.44x = 165,681,272.13
  5. Step 5: Solve for x
    x = 165,681,272.13/12,867.44
  6. Step 6: Final answer
    x = 12,876.01

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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.