Home / 11,977.56-17,969.76-4,582.62

Finding the Fourth Proportional to 11,977.56, 17,969.76 and 4,582.62

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Solution

The fourth proportional to 11,977.56, 17,969.76 and 4,582.62 is: 6,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.56 : 17,969.76 = 4,582.62 : x
  2. Step 2: Convert to fraction form
    11,977.56/17,969.76 = 4,582.62/x
  3. Step 3: Cross multiply
    11,977.56x = 17,969.76 × 4,582.62
  4. Step 4: Simplify right side
    11,977.56x = 82,348,581.57
  5. Step 5: Solve for x
    x = 82,348,581.57/11,977.56
  6. Step 6: Final answer
    x = 6,875.24

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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.