Home / 11,860.52-16,370.66-6,825.36

Finding the Fourth Proportional to 11,860.52, 16,370.66 and 6,825.36

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Solution

The fourth proportional to 11,860.52, 16,370.66 and 6,825.36 is: 9,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.52 : 16,370.66 = 6,825.36 : x
  2. Step 2: Convert to fraction form
    11,860.52/16,370.66 = 6,825.36/x
  3. Step 3: Cross multiply
    11,860.52x = 16,370.66 × 6,825.36
  4. Step 4: Simplify right side
    11,860.52x = 111,735,613.81
  5. Step 5: Solve for x
    x = 111,735,613.81/11,860.52
  6. Step 6: Final answer
    x = 9,420.80

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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.