Home / 10,684.09-15,998.14-6,975.91

Finding the Fourth Proportional to 10,684.09, 15,998.14 and 6,975.91

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Solution

The fourth proportional to 10,684.09, 15,998.14 and 6,975.91 is: 10,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.09 : 15,998.14 = 6,975.91 : x
  2. Step 2: Convert to fraction form
    10,684.09/15,998.14 = 6,975.91/x
  3. Step 3: Cross multiply
    10,684.09x = 15,998.14 × 6,975.91
  4. Step 4: Simplify right side
    10,684.09x = 111,601,584.81
  5. Step 5: Solve for x
    x = 111,601,584.81/10,684.09
  6. Step 6: Final answer
    x = 10,445.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.