Home / 11,336.07-15,644.13-6,860.64

Finding the Fourth Proportional to 11,336.07, 15,644.13 and 6,860.64

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Solution

The fourth proportional to 11,336.07, 15,644.13 and 6,860.64 is: 9,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.07 : 15,644.13 = 6,860.64 : x
  2. Step 2: Convert to fraction form
    11,336.07/15,644.13 = 6,860.64/x
  3. Step 3: Cross multiply
    11,336.07x = 15,644.13 × 6,860.64
  4. Step 4: Simplify right side
    11,336.07x = 107,328,744.04
  5. Step 5: Solve for x
    x = 107,328,744.04/11,336.07
  6. Step 6: Final answer
    x = 9,467.90

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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.