Home / 11,929.72-17,871.66-9,263.32

Finding the Fourth Proportional to 11,929.72, 17,871.66 and 9,263.32

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Solution

The fourth proportional to 11,929.72, 17,871.66 and 9,263.32 is: 13,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.72 : 17,871.66 = 9,263.32 : x
  2. Step 2: Convert to fraction form
    11,929.72/17,871.66 = 9,263.32/x
  3. Step 3: Cross multiply
    11,929.72x = 17,871.66 × 9,263.32
  4. Step 4: Simplify right side
    11,929.72x = 165,550,905.51
  5. Step 5: Solve for x
    x = 165,550,905.51/11,929.72
  6. Step 6: Final answer
    x = 13,877.18

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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.