Home / 7,412.99-11,118.67-3,714.53

Finding the Fourth Proportional to 7,412.99, 11,118.67 and 3,714.53

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Solution

The fourth proportional to 7,412.99, 11,118.67 and 3,714.53 is: 5,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.99 : 11,118.67 = 3,714.53 : x
  2. Step 2: Convert to fraction form
    7,412.99/11,118.67 = 3,714.53/x
  3. Step 3: Cross multiply
    7,412.99x = 11,118.67 × 3,714.53
  4. Step 4: Simplify right side
    7,412.99x = 41,300,568.40
  5. Step 5: Solve for x
    x = 41,300,568.40/7,412.99
  6. Step 6: Final answer
    x = 5,571.38

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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.