Home / 11,237.90-16,771.40-9,992.37

Finding the Fourth Proportional to 11,237.90, 16,771.40 and 9,992.37

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Solution

The fourth proportional to 11,237.90, 16,771.40 and 9,992.37 is: 14,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.90 : 16,771.40 = 9,992.37 : x
  2. Step 2: Convert to fraction form
    11,237.90/16,771.40 = 9,992.37/x
  3. Step 3: Cross multiply
    11,237.90x = 16,771.40 × 9,992.37
  4. Step 4: Simplify right side
    11,237.90x = 167,586,059.20
  5. Step 5: Solve for x
    x = 167,586,059.20/11,237.90
  6. Step 6: Final answer
    x = 14,912.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.