Home / 9,776.40-14,664.63-2,380.86

Finding the Fourth Proportional to 9,776.40, 14,664.63 and 2,380.86

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Solution

The fourth proportional to 9,776.40, 14,664.63 and 2,380.86 is: 3,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776.40 : 14,664.63 = 2,380.86 : x
  2. Step 2: Convert to fraction form
    9,776.40/14,664.63 = 2,380.86/x
  3. Step 3: Cross multiply
    9,776.40x = 14,664.63 × 2,380.86
  4. Step 4: Simplify right side
    9,776.40x = 34,914,430.98
  5. Step 5: Solve for x
    x = 34,914,430.98/9,776.40
  6. Step 6: Final answer
    x = 3,571.30

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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.