Home / 11,382.75-17,070.03-4,809.45

Finding the Fourth Proportional to 11,382.75, 17,070.03 and 4,809.45

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Solution

The fourth proportional to 11,382.75, 17,070.03 and 4,809.45 is: 7,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.75 : 17,070.03 = 4,809.45 : x
  2. Step 2: Convert to fraction form
    11,382.75/17,070.03 = 4,809.45/x
  3. Step 3: Cross multiply
    11,382.75x = 17,070.03 × 4,809.45
  4. Step 4: Simplify right side
    11,382.75x = 82,097,486.43
  5. Step 5: Solve for x
    x = 82,097,486.43/11,382.75
  6. Step 6: Final answer
    x = 7,212.45

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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.