Home / 8,519.09-12,780.56-2,596.51

Finding the Fourth Proportional to 8,519.09, 12,780.56 and 2,596.51

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Solution

The fourth proportional to 8,519.09, 12,780.56 and 2,596.51 is: 3,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.09 : 12,780.56 = 2,596.51 : x
  2. Step 2: Convert to fraction form
    8,519.09/12,780.56 = 2,596.51/x
  3. Step 3: Cross multiply
    8,519.09x = 12,780.56 × 2,596.51
  4. Step 4: Simplify right side
    8,519.09x = 33,184,851.85
  5. Step 5: Solve for x
    x = 33,184,851.85/8,519.09
  6. Step 6: Final answer
    x = 3,895.35

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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.