Home / 7,433.22-11,149.82-1,886.98

Finding the Fourth Proportional to 7,433.22, 11,149.82 and 1,886.98

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Solution

The fourth proportional to 7,433.22, 11,149.82 and 1,886.98 is: 2,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.22 : 11,149.82 = 1,886.98 : x
  2. Step 2: Convert to fraction form
    7,433.22/11,149.82 = 1,886.98/x
  3. Step 3: Cross multiply
    7,433.22x = 11,149.82 × 1,886.98
  4. Step 4: Simplify right side
    7,433.22x = 21,039,487.34
  5. Step 5: Solve for x
    x = 21,039,487.34/7,433.22
  6. Step 6: Final answer
    x = 2,830.47

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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.