Home / 12,238.08-18,334.08-6,086.40

Finding the Fourth Proportional to 12,238.08, 18,334.08 and 6,086.40

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Solution

The fourth proportional to 12,238.08, 18,334.08 and 6,086.40 is: 9,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.08 : 18,334.08 = 6,086.40 : x
  2. Step 2: Convert to fraction form
    12,238.08/18,334.08 = 6,086.40/x
  3. Step 3: Cross multiply
    12,238.08x = 18,334.08 × 6,086.40
  4. Step 4: Simplify right side
    12,238.08x = 111,588,544.51
  5. Step 5: Solve for x
    x = 111,588,544.51/12,238.08
  6. Step 6: Final answer
    x = 9,118.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.