Home / 8,409.09-11,604.38-5,267.01

Finding the Fourth Proportional to 8,409.09, 11,604.38 and 5,267.01

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Solution

The fourth proportional to 8,409.09, 11,604.38 and 5,267.01 is: 7,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.09 : 11,604.38 = 5,267.01 : x
  2. Step 2: Convert to fraction form
    8,409.09/11,604.38 = 5,267.01/x
  3. Step 3: Cross multiply
    8,409.09x = 11,604.38 × 5,267.01
  4. Step 4: Simplify right side
    8,409.09x = 61,120,359.17
  5. Step 5: Solve for x
    x = 61,120,359.17/8,409.09
  6. Step 6: Final answer
    x = 7,268.37

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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.