Home / 9,731.36-14,604.08-3,889.60

Finding the Fourth Proportional to 9,731.36, 14,604.08 and 3,889.60

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Solution

The fourth proportional to 9,731.36, 14,604.08 and 3,889.60 is: 5,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.36 : 14,604.08 = 3,889.60 : x
  2. Step 2: Convert to fraction form
    9,731.36/14,604.08 = 3,889.60/x
  3. Step 3: Cross multiply
    9,731.36x = 14,604.08 × 3,889.60
  4. Step 4: Simplify right side
    9,731.36x = 56,804,029.57
  5. Step 5: Solve for x
    x = 56,804,029.57/9,731.36
  6. Step 6: Final answer
    x = 5,837.21

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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.