Home / 9,181.13-12,669.08-5,404.37

Finding the Fourth Proportional to 9,181.13, 12,669.08 and 5,404.37

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Solution

The fourth proportional to 9,181.13, 12,669.08 and 5,404.37 is: 7,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.13 : 12,669.08 = 5,404.37 : x
  2. Step 2: Convert to fraction form
    9,181.13/12,669.08 = 5,404.37/x
  3. Step 3: Cross multiply
    9,181.13x = 12,669.08 × 5,404.37
  4. Step 4: Simplify right side
    9,181.13x = 68,468,305.51
  5. Step 5: Solve for x
    x = 68,468,305.51/9,181.13
  6. Step 6: Final answer
    x = 7,457.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.