Home / 11,596.78-16,003.56-6,291.64

Finding the Fourth Proportional to 11,596.78, 16,003.56 and 6,291.64

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Solution

The fourth proportional to 11,596.78, 16,003.56 and 6,291.64 is: 8,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,596.78 : 16,003.56 = 6,291.64 : x
  2. Step 2: Convert to fraction form
    11,596.78/16,003.56 = 6,291.64/x
  3. Step 3: Cross multiply
    11,596.78x = 16,003.56 × 6,291.64
  4. Step 4: Simplify right side
    11,596.78x = 100,688,638.24
  5. Step 5: Solve for x
    x = 100,688,638.24/11,596.78
  6. Step 6: Final answer
    x = 8,682.47

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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.