Home / 11,617.04-17,427.72-3,826.40

Finding the Fourth Proportional to 11,617.04, 17,427.72 and 3,826.40

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Solution

The fourth proportional to 11,617.04, 17,427.72 and 3,826.40 is: 5,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.04 : 17,427.72 = 3,826.40 : x
  2. Step 2: Convert to fraction form
    11,617.04/17,427.72 = 3,826.40/x
  3. Step 3: Cross multiply
    11,617.04x = 17,427.72 × 3,826.40
  4. Step 4: Simplify right side
    11,617.04x = 66,685,427.81
  5. Step 5: Solve for x
    x = 66,685,427.81/11,617.04
  6. Step 6: Final answer
    x = 5,740.31

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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.