Home / 9,783.99-14,670.05-3,853.76

Finding the Fourth Proportional to 9,783.99, 14,670.05 and 3,853.76

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Solution

The fourth proportional to 9,783.99, 14,670.05 and 3,853.76 is: 5,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.99 : 14,670.05 = 3,853.76 : x
  2. Step 2: Convert to fraction form
    9,783.99/14,670.05 = 3,853.76/x
  3. Step 3: Cross multiply
    9,783.99x = 14,670.05 × 3,853.76
  4. Step 4: Simplify right side
    9,783.99x = 56,534,759.27
  5. Step 5: Solve for x
    x = 56,534,759.27/9,783.99
  6. Step 6: Final answer
    x = 5,778.29

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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.