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Finding the Fourth Proportional to 7,596.79, 11,415.23 and 4,089.39

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Solution

The fourth proportional to 7,596.79, 11,415.23 and 4,089.39 is: 6,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,596.79 : 11,415.23 = 4,089.39 : x
  2. Step 2: Convert to fraction form
    7,596.79/11,415.23 = 4,089.39/x
  3. Step 3: Cross multiply
    7,596.79x = 11,415.23 × 4,089.39
  4. Step 4: Simplify right side
    7,596.79x = 46,681,279.49
  5. Step 5: Solve for x
    x = 46,681,279.49/7,596.79
  6. Step 6: Final answer
    x = 6,144.87

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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.