Home / 12,161.85-16,783.38-6,572.85

Finding the Fourth Proportional to 12,161.85, 16,783.38 and 6,572.85

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Solution

The fourth proportional to 12,161.85, 16,783.38 and 6,572.85 is: 9,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.85 : 16,783.38 = 6,572.85 : x
  2. Step 2: Convert to fraction form
    12,161.85/16,783.38 = 6,572.85/x
  3. Step 3: Cross multiply
    12,161.85x = 16,783.38 × 6,572.85
  4. Step 4: Simplify right side
    12,161.85x = 110,314,606.37
  5. Step 5: Solve for x
    x = 110,314,606.37/12,161.85
  6. Step 6: Final answer
    x = 9,070.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.