Home / 7,416.32-11,120.40-3,036.86

Finding the Fourth Proportional to 7,416.32, 11,120.40 and 3,036.86

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Solution

The fourth proportional to 7,416.32, 11,120.40 and 3,036.86 is: 4,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.32 : 11,120.40 = 3,036.86 : x
  2. Step 2: Convert to fraction form
    7,416.32/11,120.40 = 3,036.86/x
  3. Step 3: Cross multiply
    7,416.32x = 11,120.40 × 3,036.86
  4. Step 4: Simplify right side
    7,416.32x = 33,771,097.94
  5. Step 5: Solve for x
    x = 33,771,097.94/7,416.32
  6. Step 6: Final answer
    x = 4,553.62

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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.