Home / 11,274.48-16,903.20-5,725.20

Finding the Fourth Proportional to 11,274.48, 16,903.20 and 5,725.20

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Solution

The fourth proportional to 11,274.48, 16,903.20 and 5,725.20 is: 8,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.48 : 16,903.20 = 5,725.20 : x
  2. Step 2: Convert to fraction form
    11,274.48/16,903.20 = 5,725.20/x
  3. Step 3: Cross multiply
    11,274.48x = 16,903.20 × 5,725.20
  4. Step 4: Simplify right side
    11,274.48x = 96,774,200.64
  5. Step 5: Solve for x
    x = 96,774,200.64/11,274.48
  6. Step 6: Final answer
    x = 8,583.47

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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.