Home / 11,599.45-16,003.55-6,817.86

Finding the Fourth Proportional to 11,599.45, 16,003.55 and 6,817.86

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Solution

The fourth proportional to 11,599.45, 16,003.55 and 6,817.86 is: 9,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,599.45 : 16,003.55 = 6,817.86 : x
  2. Step 2: Convert to fraction form
    11,599.45/16,003.55 = 6,817.86/x
  3. Step 3: Cross multiply
    11,599.45x = 16,003.55 × 6,817.86
  4. Step 4: Simplify right side
    11,599.45x = 109,109,980.45
  5. Step 5: Solve for x
    x = 109,109,980.45/11,599.45
  6. Step 6: Final answer
    x = 9,406.48

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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.