Home / 8,559.24-12,840.36-2,636.07

Finding the Fourth Proportional to 8,559.24, 12,840.36 and 2,636.07

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Solution

The fourth proportional to 8,559.24, 12,840.36 and 2,636.07 is: 3,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.24 : 12,840.36 = 2,636.07 : x
  2. Step 2: Convert to fraction form
    8,559.24/12,840.36 = 2,636.07/x
  3. Step 3: Cross multiply
    8,559.24x = 12,840.36 × 2,636.07
  4. Step 4: Simplify right side
    8,559.24x = 33,848,010.40
  5. Step 5: Solve for x
    x = 33,848,010.40/8,559.24
  6. Step 6: Final answer
    x = 3,954.56

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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.