Home / 10,953.05-16,432.00-3,161.25

Finding the Fourth Proportional to 10,953.05, 16,432.00 and 3,161.25

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Solution

The fourth proportional to 10,953.05, 16,432.00 and 3,161.25 is: 4,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.05 : 16,432.00 = 3,161.25 : x
  2. Step 2: Convert to fraction form
    10,953.05/16,432.00 = 3,161.25/x
  3. Step 3: Cross multiply
    10,953.05x = 16,432.00 × 3,161.25
  4. Step 4: Simplify right side
    10,953.05x = 51,945,652.10
  5. Step 5: Solve for x
    x = 51,945,652.10/10,953.05
  6. Step 6: Final answer
    x = 4,742.58

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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.