Home / 7,555.86-11,333.79-3,394.98

Finding the Fourth Proportional to 7,555.86, 11,333.79 and 3,394.98

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Solution

The fourth proportional to 7,555.86, 11,333.79 and 3,394.98 is: 5,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.86 : 11,333.79 = 3,394.98 : x
  2. Step 2: Convert to fraction form
    7,555.86/11,333.79 = 3,394.98/x
  3. Step 3: Cross multiply
    7,555.86x = 11,333.79 × 3,394.98
  4. Step 4: Simplify right side
    7,555.86x = 38,477,990.37
  5. Step 5: Solve for x
    x = 38,477,990.37/7,555.86
  6. Step 6: Final answer
    x = 5,092.47

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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.