Home / 7,435.12-11,142.96-5,571.58

Finding the Fourth Proportional to 7,435.12, 11,142.96 and 5,571.58

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Solution

The fourth proportional to 7,435.12, 11,142.96 and 5,571.58 is: 8,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.12 : 11,142.96 = 5,571.58 : x
  2. Step 2: Convert to fraction form
    7,435.12/11,142.96 = 5,571.58/x
  3. Step 3: Cross multiply
    7,435.12x = 11,142.96 × 5,571.58
  4. Step 4: Simplify right side
    7,435.12x = 62,083,893.08
  5. Step 5: Solve for x
    x = 62,083,893.08/7,435.12
  6. Step 6: Final answer
    x = 8,350.09

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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.