Home / 12,160.37-16,781.30-6,571.37

Finding the Fourth Proportional to 12,160.37, 16,781.30 and 6,571.37

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Solution

The fourth proportional to 12,160.37, 16,781.30 and 6,571.37 is: 9,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.37 : 16,781.30 = 6,571.37 : x
  2. Step 2: Convert to fraction form
    12,160.37/16,781.30 = 6,571.37/x
  3. Step 3: Cross multiply
    12,160.37x = 16,781.30 × 6,571.37
  4. Step 4: Simplify right side
    12,160.37x = 110,276,039.26
  5. Step 5: Solve for x
    x = 110,276,039.26/12,160.37
  6. Step 6: Final answer
    x = 9,068.48

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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.