Home / 12,808.80-19,199.43-5,792.58

Finding the Fourth Proportional to 12,808.80, 19,199.43 and 5,792.58

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Solution

The fourth proportional to 12,808.80, 19,199.43 and 5,792.58 is: 8,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.80 : 19,199.43 = 5,792.58 : x
  2. Step 2: Convert to fraction form
    12,808.80/19,199.43 = 5,792.58/x
  3. Step 3: Cross multiply
    12,808.80x = 19,199.43 × 5,792.58
  4. Step 4: Simplify right side
    12,808.80x = 111,214,234.23
  5. Step 5: Solve for x
    x = 111,214,234.23/12,808.80
  6. Step 6: Final answer
    x = 8,682.64

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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.