Home / 9,739.86-14,600.55-3,161.45

Finding the Fourth Proportional to 9,739.86, 14,600.55 and 3,161.45

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Solution

The fourth proportional to 9,739.86, 14,600.55 and 3,161.45 is: 4,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.86 : 14,600.55 = 3,161.45 : x
  2. Step 2: Convert to fraction form
    9,739.86/14,600.55 = 3,161.45/x
  3. Step 3: Cross multiply
    9,739.86x = 14,600.55 × 3,161.45
  4. Step 4: Simplify right side
    9,739.86x = 46,158,908.80
  5. Step 5: Solve for x
    x = 46,158,908.80/9,739.86
  6. Step 6: Final answer
    x = 4,739.18

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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.