Home / 7,429.02-11,145.26-2,164.16

Finding the Fourth Proportional to 7,429.02, 11,145.26 and 2,164.16

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Solution

The fourth proportional to 7,429.02, 11,145.26 and 2,164.16 is: 3,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.02 : 11,145.26 = 2,164.16 : x
  2. Step 2: Convert to fraction form
    7,429.02/11,145.26 = 2,164.16/x
  3. Step 3: Cross multiply
    7,429.02x = 11,145.26 × 2,164.16
  4. Step 4: Simplify right side
    7,429.02x = 24,120,059.33
  5. Step 5: Solve for x
    x = 24,120,059.33/7,429.02
  6. Step 6: Final answer
    x = 3,246.74

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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.