Home / 11,001.51-16,483.10-9,164.43

Finding the Fourth Proportional to 11,001.51, 16,483.10 and 9,164.43

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Solution

The fourth proportional to 11,001.51, 16,483.10 and 9,164.43 is: 13,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.51 : 16,483.10 = 9,164.43 : x
  2. Step 2: Convert to fraction form
    11,001.51/16,483.10 = 9,164.43/x
  3. Step 3: Cross multiply
    11,001.51x = 16,483.10 × 9,164.43
  4. Step 4: Simplify right side
    11,001.51x = 151,058,170.31
  5. Step 5: Solve for x
    x = 151,058,170.31/11,001.51
  6. Step 6: Final answer
    x = 13,730.68

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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.