Home / 11,376.29-17,050.82-7,429.43

Finding the Fourth Proportional to 11,376.29, 17,050.82 and 7,429.43

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Solution

The fourth proportional to 11,376.29, 17,050.82 and 7,429.43 is: 11,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.29 : 17,050.82 = 7,429.43 : x
  2. Step 2: Convert to fraction form
    11,376.29/17,050.82 = 7,429.43/x
  3. Step 3: Cross multiply
    11,376.29x = 17,050.82 × 7,429.43
  4. Step 4: Simplify right side
    11,376.29x = 126,677,879.11
  5. Step 5: Solve for x
    x = 126,677,879.11/11,376.29
  6. Step 6: Final answer
    x = 11,135.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.