Home / 11,576.45-15,972.26-7,270

Finding the Fourth Proportional to 11,576.45, 15,972.26 and 7,270

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Solution

The fourth proportional to 11,576.45, 15,972.26 and 7,270 is: 10,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.45 : 15,972.26 = 7,270 : x
  2. Step 2: Convert to fraction form
    11,576.45/15,972.26 = 7,270/x
  3. Step 3: Cross multiply
    11,576.45x = 15,972.26 × 7,270
  4. Step 4: Simplify right side
    11,576.45x = 116,118,330.20
  5. Step 5: Solve for x
    x = 116,118,330.20/11,576.45
  6. Step 6: Final answer
    x = 10,030.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.