Home / 11,076.26-15,281.40-7,099.56

Finding the Fourth Proportional to 11,076.26, 15,281.40 and 7,099.56

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Solution

The fourth proportional to 11,076.26, 15,281.40 and 7,099.56 is: 9,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.26 : 15,281.40 = 7,099.56 : x
  2. Step 2: Convert to fraction form
    11,076.26/15,281.40 = 7,099.56/x
  3. Step 3: Cross multiply
    11,076.26x = 15,281.40 × 7,099.56
  4. Step 4: Simplify right side
    11,076.26x = 108,491,216.18
  5. Step 5: Solve for x
    x = 108,491,216.18/11,076.26
  6. Step 6: Final answer
    x = 9,794.94

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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.