Home / 11,270.48-16,891.34-5,347.35

Finding the Fourth Proportional to 11,270.48, 16,891.34 and 5,347.35

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Solution

The fourth proportional to 11,270.48, 16,891.34 and 5,347.35 is: 8,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.48 : 16,891.34 = 5,347.35 : x
  2. Step 2: Convert to fraction form
    11,270.48/16,891.34 = 5,347.35/x
  3. Step 3: Cross multiply
    11,270.48x = 16,891.34 × 5,347.35
  4. Step 4: Simplify right side
    11,270.48x = 90,323,880.21
  5. Step 5: Solve for x
    x = 90,323,880.21/11,270.48
  6. Step 6: Final answer
    x = 8,014.20

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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.