Home / 11,728.58-17,595.75-5,400.50

Finding the Fourth Proportional to 11,728.58, 17,595.75 and 5,400.50

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Solution

The fourth proportional to 11,728.58, 17,595.75 and 5,400.50 is: 8,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.58 : 17,595.75 = 5,400.50 : x
  2. Step 2: Convert to fraction form
    11,728.58/17,595.75 = 5,400.50/x
  3. Step 3: Cross multiply
    11,728.58x = 17,595.75 × 5,400.50
  4. Step 4: Simplify right side
    11,728.58x = 95,025,847.88
  5. Step 5: Solve for x
    x = 95,025,847.88/11,728.58
  6. Step 6: Final answer
    x = 8,102.08

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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.