Home / 11,281.44-15,576.60-9,055.56

Finding the Fourth Proportional to 11,281.44, 15,576.60 and 9,055.56

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Solution

The fourth proportional to 11,281.44, 15,576.60 and 9,055.56 is: 12,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.44 : 15,576.60 = 9,055.56 : x
  2. Step 2: Convert to fraction form
    11,281.44/15,576.60 = 9,055.56/x
  3. Step 3: Cross multiply
    11,281.44x = 15,576.60 × 9,055.56
  4. Step 4: Simplify right side
    11,281.44x = 141,054,835.90
  5. Step 5: Solve for x
    x = 141,054,835.90/11,281.44
  6. Step 6: Final answer
    x = 12,503.27

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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.