Home / 8,409.96-12,610.62-4,519.08

Finding the Fourth Proportional to 8,409.96, 12,610.62 and 4,519.08

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Solution

The fourth proportional to 8,409.96, 12,610.62 and 4,519.08 is: 6,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.96 : 12,610.62 = 4,519.08 : x
  2. Step 2: Convert to fraction form
    8,409.96/12,610.62 = 4,519.08/x
  3. Step 3: Cross multiply
    8,409.96x = 12,610.62 × 4,519.08
  4. Step 4: Simplify right side
    8,409.96x = 56,988,400.63
  5. Step 5: Solve for x
    x = 56,988,400.63/8,409.96
  6. Step 6: Final answer
    x = 6,776.30

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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.