Home / 7,430.86-11,144.40-2,235.52

Finding the Fourth Proportional to 7,430.86, 11,144.40 and 2,235.52

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Solution

The fourth proportional to 7,430.86, 11,144.40 and 2,235.52 is: 3,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.86 : 11,144.40 = 2,235.52 : x
  2. Step 2: Convert to fraction form
    7,430.86/11,144.40 = 2,235.52/x
  3. Step 3: Cross multiply
    7,430.86x = 11,144.40 × 2,235.52
  4. Step 4: Simplify right side
    7,430.86x = 24,913,529.09
  5. Step 5: Solve for x
    x = 24,913,529.09/7,430.86
  6. Step 6: Final answer
    x = 3,352.71

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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.