Home / 11,108.32-16,674.72-6,433.60

Finding the Fourth Proportional to 11,108.32, 16,674.72 and 6,433.60

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Solution

The fourth proportional to 11,108.32, 16,674.72 and 6,433.60 is: 9,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.32 : 16,674.72 = 6,433.60 : x
  2. Step 2: Convert to fraction form
    11,108.32/16,674.72 = 6,433.60/x
  3. Step 3: Cross multiply
    11,108.32x = 16,674.72 × 6,433.60
  4. Step 4: Simplify right side
    11,108.32x = 107,278,478.59
  5. Step 5: Solve for x
    x = 107,278,478.59/11,108.32
  6. Step 6: Final answer
    x = 9,657.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.