Home / 11,576.08-15,976.56-7,099.04

Finding the Fourth Proportional to 11,576.08, 15,976.56 and 7,099.04

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Solution

The fourth proportional to 11,576.08, 15,976.56 and 7,099.04 is: 9,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.08 : 15,976.56 = 7,099.04 : x
  2. Step 2: Convert to fraction form
    11,576.08/15,976.56 = 7,099.04/x
  3. Step 3: Cross multiply
    11,576.08x = 15,976.56 × 7,099.04
  4. Step 4: Simplify right side
    11,576.08x = 113,418,238.50
  5. Step 5: Solve for x
    x = 113,418,238.50/11,576.08
  6. Step 6: Final answer
    x = 9,797.64

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1.5x scale

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.