Home / 12,071.21-18,111.44-4,676.25

Finding the Fourth Proportional to 12,071.21, 18,111.44 and 4,676.25

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Solution

The fourth proportional to 12,071.21, 18,111.44 and 4,676.25 is: 7,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.21 : 18,111.44 = 4,676.25 : x
  2. Step 2: Convert to fraction form
    12,071.21/18,111.44 = 4,676.25/x
  3. Step 3: Cross multiply
    12,071.21x = 18,111.44 × 4,676.25
  4. Step 4: Simplify right side
    12,071.21x = 84,693,604.36
  5. Step 5: Solve for x
    x = 84,693,604.36/12,071.21
  6. Step 6: Final answer
    x = 7,016.16

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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.