Home / 10,955.08-16,435.36-3,163.90

Finding the Fourth Proportional to 10,955.08, 16,435.36 and 3,163.90

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Solution

The fourth proportional to 10,955.08, 16,435.36 and 3,163.90 is: 4,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.08 : 16,435.36 = 3,163.90 : x
  2. Step 2: Convert to fraction form
    10,955.08/16,435.36 = 3,163.90/x
  3. Step 3: Cross multiply
    10,955.08x = 16,435.36 × 3,163.90
  4. Step 4: Simplify right side
    10,955.08x = 51,999,835.50
  5. Step 5: Solve for x
    x = 51,999,835.50/10,955.08
  6. Step 6: Final answer
    x = 4,746.64

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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.