Home / 11,684.31-16,121.46-6,904.36

Finding the Fourth Proportional to 11,684.31, 16,121.46 and 6,904.36

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Solution

The fourth proportional to 11,684.31, 16,121.46 and 6,904.36 is: 9,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.31 : 16,121.46 = 6,904.36 : x
  2. Step 2: Convert to fraction form
    11,684.31/16,121.46 = 6,904.36/x
  3. Step 3: Cross multiply
    11,684.31x = 16,121.46 × 6,904.36
  4. Step 4: Simplify right side
    11,684.31x = 111,308,363.57
  5. Step 5: Solve for x
    x = 111,308,363.57/11,684.31
  6. Step 6: Final answer
    x = 9,526.31

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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.