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Finding the Fourth Proportional to 11,483.98, 17,230.44 and 9,283.31

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Solution

The fourth proportional to 11,483.98, 17,230.44 and 9,283.31 is: 13,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.98 : 17,230.44 = 9,283.31 : x
  2. Step 2: Convert to fraction form
    11,483.98/17,230.44 = 9,283.31/x
  3. Step 3: Cross multiply
    11,483.98x = 17,230.44 × 9,283.31
  4. Step 4: Simplify right side
    11,483.98x = 159,955,515.96
  5. Step 5: Solve for x
    x = 159,955,515.96/11,483.98
  6. Step 6: Final answer
    x = 13,928.58

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1.5x scale

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.