Home / 11,237.75-16,830.32-8,881.94

Finding the Fourth Proportional to 11,237.75, 16,830.32 and 8,881.94

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Solution

The fourth proportional to 11,237.75, 16,830.32 and 8,881.94 is: 13,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.75 : 16,830.32 = 8,881.94 : x
  2. Step 2: Convert to fraction form
    11,237.75/16,830.32 = 8,881.94/x
  3. Step 3: Cross multiply
    11,237.75x = 16,830.32 × 8,881.94
  4. Step 4: Simplify right side
    11,237.75x = 149,485,763.86
  5. Step 5: Solve for x
    x = 149,485,763.86/11,237.75
  6. Step 6: Final answer
    x = 13,302.11

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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.