Home / 7,586.37-11,379.21-2,657.12

Finding the Fourth Proportional to 7,586.37, 11,379.21 and 2,657.12

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Solution

The fourth proportional to 7,586.37, 11,379.21 and 2,657.12 is: 3,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.37 : 11,379.21 = 2,657.12 : x
  2. Step 2: Convert to fraction form
    7,586.37/11,379.21 = 2,657.12/x
  3. Step 3: Cross multiply
    7,586.37x = 11,379.21 × 2,657.12
  4. Step 4: Simplify right side
    7,586.37x = 30,235,869.58
  5. Step 5: Solve for x
    x = 30,235,869.58/7,586.37
  6. Step 6: Final answer
    x = 3,985.55

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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.