Home / 7,456.81-11,186.64-2,525.13

Finding the Fourth Proportional to 7,456.81, 11,186.64 and 2,525.13

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Solution

The fourth proportional to 7,456.81, 11,186.64 and 2,525.13 is: 3,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.81 : 11,186.64 = 2,525.13 : x
  2. Step 2: Convert to fraction form
    7,456.81/11,186.64 = 2,525.13/x
  3. Step 3: Cross multiply
    7,456.81x = 11,186.64 × 2,525.13
  4. Step 4: Simplify right side
    7,456.81x = 28,247,720.26
  5. Step 5: Solve for x
    x = 28,247,720.26/7,456.81
  6. Step 6: Final answer
    x = 3,788.18

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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.