Home / 11,157.50-16,740.30-4,232

Finding the Fourth Proportional to 11,157.50, 16,740.30 and 4,232

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Solution

The fourth proportional to 11,157.50, 16,740.30 and 4,232 is: 6,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.50 : 16,740.30 = 4,232 : x
  2. Step 2: Convert to fraction form
    11,157.50/16,740.30 = 4,232/x
  3. Step 3: Cross multiply
    11,157.50x = 16,740.30 × 4,232
  4. Step 4: Simplify right side
    11,157.50x = 70,844,949.60
  5. Step 5: Solve for x
    x = 70,844,949.60/11,157.50
  6. Step 6: Final answer
    x = 6,349.54

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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.