Home / 7,456.24-11,181.80-3,071.68

Finding the Fourth Proportional to 7,456.24, 11,181.80 and 3,071.68

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Solution

The fourth proportional to 7,456.24, 11,181.80 and 3,071.68 is: 4,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.24 : 11,181.80 = 3,071.68 : x
  2. Step 2: Convert to fraction form
    7,456.24/11,181.80 = 3,071.68/x
  3. Step 3: Cross multiply
    7,456.24x = 11,181.80 × 3,071.68
  4. Step 4: Simplify right side
    7,456.24x = 34,346,911.42
  5. Step 5: Solve for x
    x = 34,346,911.42/7,456.24
  6. Step 6: Final answer
    x = 4,606.47

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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.