Home / 11,904.62-16,428.38-6,599.31

Finding the Fourth Proportional to 11,904.62, 16,428.38 and 6,599.31

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Solution

The fourth proportional to 11,904.62, 16,428.38 and 6,599.31 is: 9,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.62 : 16,428.38 = 6,599.31 : x
  2. Step 2: Convert to fraction form
    11,904.62/16,428.38 = 6,599.31/x
  3. Step 3: Cross multiply
    11,904.62x = 16,428.38 × 6,599.31
  4. Step 4: Simplify right side
    11,904.62x = 108,415,939.42
  5. Step 5: Solve for x
    x = 108,415,939.42/11,904.62
  6. Step 6: Final answer
    x = 9,107.05

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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.