Home / 10,871.10-16,299.36-4,295.52

Finding the Fourth Proportional to 10,871.10, 16,299.36 and 4,295.52

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Solution

The fourth proportional to 10,871.10, 16,299.36 and 4,295.52 is: 6,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.10 : 16,299.36 = 4,295.52 : x
  2. Step 2: Convert to fraction form
    10,871.10/16,299.36 = 4,295.52/x
  3. Step 3: Cross multiply
    10,871.10x = 16,299.36 × 4,295.52
  4. Step 4: Simplify right side
    10,871.10x = 70,014,226.87
  5. Step 5: Solve for x
    x = 70,014,226.87/10,871.10
  6. Step 6: Final answer
    x = 6,440.40

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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.