Home / 9,270.36-13,905.54-3,031.02

Finding the Fourth Proportional to 9,270.36, 13,905.54 and 3,031.02

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Solution

The fourth proportional to 9,270.36, 13,905.54 and 3,031.02 is: 4,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.36 : 13,905.54 = 3,031.02 : x
  2. Step 2: Convert to fraction form
    9,270.36/13,905.54 = 3,031.02/x
  3. Step 3: Cross multiply
    9,270.36x = 13,905.54 × 3,031.02
  4. Step 4: Simplify right side
    9,270.36x = 42,147,969.85
  5. Step 5: Solve for x
    x = 42,147,969.85/9,270.36
  6. Step 6: Final answer
    x = 4,546.53

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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.