Home / 11,709.72-17,564.60-4,784.22

Finding the Fourth Proportional to 11,709.72, 17,564.60 and 4,784.22

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Solution

The fourth proportional to 11,709.72, 17,564.60 and 4,784.22 is: 7,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.72 : 17,564.60 = 4,784.22 : x
  2. Step 2: Convert to fraction form
    11,709.72/17,564.60 = 4,784.22/x
  3. Step 3: Cross multiply
    11,709.72x = 17,564.60 × 4,784.22
  4. Step 4: Simplify right side
    11,709.72x = 84,032,910.61
  5. Step 5: Solve for x
    x = 84,032,910.61/11,709.72
  6. Step 6: Final answer
    x = 7,176.34

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1.5x scale

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.