Home / 11,579.40-15,969.96-6,859.26

Finding the Fourth Proportional to 11,579.40, 15,969.96 and 6,859.26

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Solution

The fourth proportional to 11,579.40, 15,969.96 and 6,859.26 is: 9,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.40 : 15,969.96 = 6,859.26 : x
  2. Step 2: Convert to fraction form
    11,579.40/15,969.96 = 6,859.26/x
  3. Step 3: Cross multiply
    11,579.40x = 15,969.96 × 6,859.26
  4. Step 4: Simplify right side
    11,579.40x = 109,542,107.83
  5. Step 5: Solve for x
    x = 109,542,107.83/11,579.40
  6. Step 6: Final answer
    x = 9,460.08

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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.