Home / 10,827.18-16,232.84-3,427.50

Finding the Fourth Proportional to 10,827.18, 16,232.84 and 3,427.50

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Solution

The fourth proportional to 10,827.18, 16,232.84 and 3,427.50 is: 5,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.18 : 16,232.84 = 3,427.50 : x
  2. Step 2: Convert to fraction form
    10,827.18/16,232.84 = 3,427.50/x
  3. Step 3: Cross multiply
    10,827.18x = 16,232.84 × 3,427.50
  4. Step 4: Simplify right side
    10,827.18x = 55,638,059.10
  5. Step 5: Solve for x
    x = 55,638,059.10/10,827.18
  6. Step 6: Final answer
    x = 5,138.74

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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.