Home / 12,833.81-17,709.82-7,455.77

Finding the Fourth Proportional to 12,833.81, 17,709.82 and 7,455.77

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Solution

The fourth proportional to 12,833.81, 17,709.82 and 7,455.77 is: 10,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.81 : 17,709.82 = 7,455.77 : x
  2. Step 2: Convert to fraction form
    12,833.81/17,709.82 = 7,455.77/x
  3. Step 3: Cross multiply
    12,833.81x = 17,709.82 × 7,455.77
  4. Step 4: Simplify right side
    12,833.81x = 132,040,344.66
  5. Step 5: Solve for x
    x = 132,040,344.66/12,833.81
  6. Step 6: Final answer
    x = 10,288.48

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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.