Home / 11,709.15-17,551.87-4,210.48

Finding the Fourth Proportional to 11,709.15, 17,551.87 and 4,210.48

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Solution

The fourth proportional to 11,709.15, 17,551.87 and 4,210.48 is: 6,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.15 : 17,551.87 = 4,210.48 : x
  2. Step 2: Convert to fraction form
    11,709.15/17,551.87 = 4,210.48/x
  3. Step 3: Cross multiply
    11,709.15x = 17,551.87 × 4,210.48
  4. Step 4: Simplify right side
    11,709.15x = 73,901,797.60
  5. Step 5: Solve for x
    x = 73,901,797.60/11,709.15
  6. Step 6: Final answer
    x = 6,311.46

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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.