Home / 11,336.13-15,644.60-6,860.07

Finding the Fourth Proportional to 11,336.13, 15,644.60 and 6,860.07

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Solution

The fourth proportional to 11,336.13, 15,644.60 and 6,860.07 is: 9,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.13 : 15,644.60 = 6,860.07 : x
  2. Step 2: Convert to fraction form
    11,336.13/15,644.60 = 6,860.07/x
  3. Step 3: Cross multiply
    11,336.13x = 15,644.60 × 6,860.07
  4. Step 4: Simplify right side
    11,336.13x = 107,323,016.82
  5. Step 5: Solve for x
    x = 107,323,016.82/11,336.13
  6. Step 6: Final answer
    x = 9,467.34

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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.