Home / 11,973.96-17,957.60-7,162.26

Finding the Fourth Proportional to 11,973.96, 17,957.60 and 7,162.26

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Solution

The fourth proportional to 11,973.96, 17,957.60 and 7,162.26 is: 10,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.96 : 17,957.60 = 7,162.26 : x
  2. Step 2: Convert to fraction form
    11,973.96/17,957.60 = 7,162.26/x
  3. Step 3: Cross multiply
    11,973.96x = 17,957.60 × 7,162.26
  4. Step 4: Simplify right side
    11,973.96x = 128,617,000.18
  5. Step 5: Solve for x
    x = 128,617,000.18/11,973.96
  6. Step 6: Final answer
    x = 10,741.39

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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.