Home / 11,845.16-16,346.34-6,540.20

Finding the Fourth Proportional to 11,845.16, 16,346.34 and 6,540.20

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Solution

The fourth proportional to 11,845.16, 16,346.34 and 6,540.20 is: 9,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.16 : 16,346.34 = 6,540.20 : x
  2. Step 2: Convert to fraction form
    11,845.16/16,346.34 = 6,540.20/x
  3. Step 3: Cross multiply
    11,845.16x = 16,346.34 × 6,540.20
  4. Step 4: Simplify right side
    11,845.16x = 106,908,332.87
  5. Step 5: Solve for x
    x = 106,908,332.87/11,845.16
  6. Step 6: Final answer
    x = 9,025.49

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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.