Home / 11,071.35-16,602.89-4,745.43

Finding the Fourth Proportional to 11,071.35, 16,602.89 and 4,745.43

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Solution

The fourth proportional to 11,071.35, 16,602.89 and 4,745.43 is: 7,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.35 : 16,602.89 = 4,745.43 : x
  2. Step 2: Convert to fraction form
    11,071.35/16,602.89 = 4,745.43/x
  3. Step 3: Cross multiply
    11,071.35x = 16,602.89 × 4,745.43
  4. Step 4: Simplify right side
    11,071.35x = 78,787,828.57
  5. Step 5: Solve for x
    x = 78,787,828.57/11,071.35
  6. Step 6: Final answer
    x = 7,116.37

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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.