Home / 11,845.28-16,346-6,540.32

Finding the Fourth Proportional to 11,845.28, 16,346 and 6,540.32

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Solution

The fourth proportional to 11,845.28, 16,346 and 6,540.32 is: 9,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.28 : 16,346 = 6,540.32 : x
  2. Step 2: Convert to fraction form
    11,845.28/16,346 = 6,540.32/x
  3. Step 3: Cross multiply
    11,845.28x = 16,346 × 6,540.32
  4. Step 4: Simplify right side
    11,845.28x = 106,908,070.72
  5. Step 5: Solve for x
    x = 106,908,070.72/11,845.28
  6. Step 6: Final answer
    x = 9,025.37

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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.