Home / 11,975.18-16,525.32-6,669.71

Finding the Fourth Proportional to 11,975.18, 16,525.32 and 6,669.71

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Solution

The fourth proportional to 11,975.18, 16,525.32 and 6,669.71 is: 9,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.18 : 16,525.32 = 6,669.71 : x
  2. Step 2: Convert to fraction form
    11,975.18/16,525.32 = 6,669.71/x
  3. Step 3: Cross multiply
    11,975.18x = 16,525.32 × 6,669.71
  4. Step 4: Simplify right side
    11,975.18x = 110,219,092.06
  5. Step 5: Solve for x
    x = 110,219,092.06/11,975.18
  6. Step 6: Final answer
    x = 9,203.96

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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.