Home / 11,237.97-16,858.78-4,218.53

Finding the Fourth Proportional to 11,237.97, 16,858.78 and 4,218.53

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Solution

The fourth proportional to 11,237.97, 16,858.78 and 4,218.53 is: 6,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.97 : 16,858.78 = 4,218.53 : x
  2. Step 2: Convert to fraction form
    11,237.97/16,858.78 = 4,218.53/x
  3. Step 3: Cross multiply
    11,237.97x = 16,858.78 × 4,218.53
  4. Step 4: Simplify right side
    11,237.97x = 71,119,300.79
  5. Step 5: Solve for x
    x = 71,119,300.79/11,237.97
  6. Step 6: Final answer
    x = 6,328.48

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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.