Home / 11,975.13-16,525.70-6,940.32

Finding the Fourth Proportional to 11,975.13, 16,525.70 and 6,940.32

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Solution

The fourth proportional to 11,975.13, 16,525.70 and 6,940.32 is: 9,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.13 : 16,525.70 = 6,940.32 : x
  2. Step 2: Convert to fraction form
    11,975.13/16,525.70 = 6,940.32/x
  3. Step 3: Cross multiply
    11,975.13x = 16,525.70 × 6,940.32
  4. Step 4: Simplify right side
    11,975.13x = 114,693,646.22
  5. Step 5: Solve for x
    x = 114,693,646.22/11,975.13
  6. Step 6: Final answer
    x = 9,577.65

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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.