Home / 11,927.28-17,886.66-4,905.24

Finding the Fourth Proportional to 11,927.28, 17,886.66 and 4,905.24

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Solution

The fourth proportional to 11,927.28, 17,886.66 and 4,905.24 is: 7,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.28 : 17,886.66 = 4,905.24 : x
  2. Step 2: Convert to fraction form
    11,927.28/17,886.66 = 4,905.24/x
  3. Step 3: Cross multiply
    11,927.28x = 17,886.66 × 4,905.24
  4. Step 4: Simplify right side
    11,927.28x = 87,738,360.10
  5. Step 5: Solve for x
    x = 87,738,360.10/11,927.28
  6. Step 6: Final answer
    x = 7,356.11

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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.