Home / 9,161.34-13,739.28-4,776.41

Finding the Fourth Proportional to 9,161.34, 13,739.28 and 4,776.41

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Solution

The fourth proportional to 9,161.34, 13,739.28 and 4,776.41 is: 7,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.34 : 13,739.28 = 4,776.41 : x
  2. Step 2: Convert to fraction form
    9,161.34/13,739.28 = 4,776.41/x
  3. Step 3: Cross multiply
    9,161.34x = 13,739.28 × 4,776.41
  4. Step 4: Simplify right side
    9,161.34x = 65,624,434.38
  5. Step 5: Solve for x
    x = 65,624,434.38/9,161.34
  6. Step 6: Final answer
    x = 7,163.19

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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.