Home / 11,723.30-16,173.73-7,692.35

Finding the Fourth Proportional to 11,723.30, 16,173.73 and 7,692.35

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Solution

The fourth proportional to 11,723.30, 16,173.73 and 7,692.35 is: 10,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.30 : 16,173.73 = 7,692.35 : x
  2. Step 2: Convert to fraction form
    11,723.30/16,173.73 = 7,692.35/x
  3. Step 3: Cross multiply
    11,723.30x = 16,173.73 × 7,692.35
  4. Step 4: Simplify right side
    11,723.30x = 124,413,911.10
  5. Step 5: Solve for x
    x = 124,413,911.10/11,723.30
  6. Step 6: Final answer
    x = 10,612.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.