Home / 12,071.44-18,107.70-3,306.16

Finding the Fourth Proportional to 12,071.44, 18,107.70 and 3,306.16

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Solution

The fourth proportional to 12,071.44, 18,107.70 and 3,306.16 is: 4,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.44 : 18,107.70 = 3,306.16 : x
  2. Step 2: Convert to fraction form
    12,071.44/18,107.70 = 3,306.16/x
  3. Step 3: Cross multiply
    12,071.44x = 18,107.70 × 3,306.16
  4. Step 4: Simplify right side
    12,071.44x = 59,866,953.43
  5. Step 5: Solve for x
    x = 59,866,953.43/12,071.44
  6. Step 6: Final answer
    x = 4,959.39

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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.