Home / 8,739.08-12,059.64-4,760.12

Finding the Fourth Proportional to 8,739.08, 12,059.64 and 4,760.12

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Solution

The fourth proportional to 8,739.08, 12,059.64 and 4,760.12 is: 6,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.08 : 12,059.64 = 4,760.12 : x
  2. Step 2: Convert to fraction form
    8,739.08/12,059.64 = 4,760.12/x
  3. Step 3: Cross multiply
    8,739.08x = 12,059.64 × 4,760.12
  4. Step 4: Simplify right side
    8,739.08x = 57,405,333.56
  5. Step 5: Solve for x
    x = 57,405,333.56/8,739.08
  6. Step 6: Final answer
    x = 6,568.81

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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.