Home / 7,415.12-11,127.24-3,032.60

Finding the Fourth Proportional to 7,415.12, 11,127.24 and 3,032.60

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Solution

The fourth proportional to 7,415.12, 11,127.24 and 3,032.60 is: 4,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.12 : 11,127.24 = 3,032.60 : x
  2. Step 2: Convert to fraction form
    7,415.12/11,127.24 = 3,032.60/x
  3. Step 3: Cross multiply
    7,415.12x = 11,127.24 × 3,032.60
  4. Step 4: Simplify right side
    7,415.12x = 33,744,468.02
  5. Step 5: Solve for x
    x = 33,744,468.02/7,415.12
  6. Step 6: Final answer
    x = 4,550.76

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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.