Home / 11,599.21-16,007.52-6,820.60

Finding the Fourth Proportional to 11,599.21, 16,007.52 and 6,820.60

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Solution

The fourth proportional to 11,599.21, 16,007.52 and 6,820.60 is: 9,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,599.21 : 16,007.52 = 6,820.60 : x
  2. Step 2: Convert to fraction form
    11,599.21/16,007.52 = 6,820.60/x
  3. Step 3: Cross multiply
    11,599.21x = 16,007.52 × 6,820.60
  4. Step 4: Simplify right side
    11,599.21x = 109,180,890.91
  5. Step 5: Solve for x
    x = 109,180,890.91/11,599.21
  6. Step 6: Final answer
    x = 9,412.79

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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.