Home / 11,905.08-16,429.08-6,599.56

Finding the Fourth Proportional to 11,905.08, 16,429.08 and 6,599.56

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Solution

The fourth proportional to 11,905.08, 16,429.08 and 6,599.56 is: 9,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.08 : 16,429.08 = 6,599.56 : x
  2. Step 2: Convert to fraction form
    11,905.08/16,429.08 = 6,599.56/x
  3. Step 3: Cross multiply
    11,905.08x = 16,429.08 × 6,599.56
  4. Step 4: Simplify right side
    11,905.08x = 108,424,699.20
  5. Step 5: Solve for x
    x = 108,424,699.20/11,905.08
  6. Step 6: Final answer
    x = 9,107.43

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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.