Home / 7,559.70-11,340.09-2,628.72

Finding the Fourth Proportional to 7,559.70, 11,340.09 and 2,628.72

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Solution

The fourth proportional to 7,559.70, 11,340.09 and 2,628.72 is: 3,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.70 : 11,340.09 = 2,628.72 : x
  2. Step 2: Convert to fraction form
    7,559.70/11,340.09 = 2,628.72/x
  3. Step 3: Cross multiply
    7,559.70x = 11,340.09 × 2,628.72
  4. Step 4: Simplify right side
    7,559.70x = 29,809,921.38
  5. Step 5: Solve for x
    x = 29,809,921.38/7,559.70
  6. Step 6: Final answer
    x = 3,943.27

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1.5x scale

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.