Home / 11,888.27-16,404.66-7,107.26

Finding the Fourth Proportional to 11,888.27, 16,404.66 and 7,107.26

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Solution

The fourth proportional to 11,888.27, 16,404.66 and 7,107.26 is: 9,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.27 : 16,404.66 = 7,107.26 : x
  2. Step 2: Convert to fraction form
    11,888.27/16,404.66 = 7,107.26/x
  3. Step 3: Cross multiply
    11,888.27x = 16,404.66 × 7,107.26
  4. Step 4: Simplify right side
    11,888.27x = 116,592,183.83
  5. Step 5: Solve for x
    x = 116,592,183.83/11,888.27
  6. Step 6: Final answer
    x = 9,807.33

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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.