Home / 7,461.41-11,187.63-3,513.56

Finding the Fourth Proportional to 7,461.41, 11,187.63 and 3,513.56

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Solution

The fourth proportional to 7,461.41, 11,187.63 and 3,513.56 is: 5,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.41 : 11,187.63 = 3,513.56 : x
  2. Step 2: Convert to fraction form
    7,461.41/11,187.63 = 3,513.56/x
  3. Step 3: Cross multiply
    7,461.41x = 11,187.63 × 3,513.56
  4. Step 4: Simplify right side
    7,461.41x = 39,308,353.32
  5. Step 5: Solve for x
    x = 39,308,353.32/7,461.41
  6. Step 6: Final answer
    x = 5,268.22

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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.