Home / 9,117.98-13,671.50-4,181.44

Finding the Fourth Proportional to 9,117.98, 13,671.50 and 4,181.44

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Solution

The fourth proportional to 9,117.98, 13,671.50 and 4,181.44 is: 6,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.98 : 13,671.50 = 4,181.44 : x
  2. Step 2: Convert to fraction form
    9,117.98/13,671.50 = 4,181.44/x
  3. Step 3: Cross multiply
    9,117.98x = 13,671.50 × 4,181.44
  4. Step 4: Simplify right side
    9,117.98x = 57,166,556.96
  5. Step 5: Solve for x
    x = 57,166,556.96/9,117.98
  6. Step 6: Final answer
    x = 6,269.65

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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.