Home / 11,845.42-16,346.68-6,540.23

Finding the Fourth Proportional to 11,845.42, 16,346.68 and 6,540.23

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Solution

The fourth proportional to 11,845.42, 16,346.68 and 6,540.23 is: 9,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.42 : 16,346.68 = 6,540.23 : x
  2. Step 2: Convert to fraction form
    11,845.42/16,346.68 = 6,540.23/x
  3. Step 3: Cross multiply
    11,845.42x = 16,346.68 × 6,540.23
  4. Step 4: Simplify right side
    11,845.42x = 106,911,071.45
  5. Step 5: Solve for x
    x = 106,911,071.45/11,845.42
  6. Step 6: Final answer
    x = 9,025.52

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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.