Home / 11,313.15-16,969.74-3,417.92

Finding the Fourth Proportional to 11,313.15, 16,969.74 and 3,417.92

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Solution

The fourth proportional to 11,313.15, 16,969.74 and 3,417.92 is: 5,126.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.15 : 16,969.74 = 3,417.92 : x
  2. Step 2: Convert to fraction form
    11,313.15/16,969.74 = 3,417.92/x
  3. Step 3: Cross multiply
    11,313.15x = 16,969.74 × 3,417.92
  4. Step 4: Simplify right side
    11,313.15x = 58,001,213.74
  5. Step 5: Solve for x
    x = 58,001,213.74/11,313.15
  6. Step 6: Final answer
    x = 5,126.89

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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.