Home / 8,739.45-12,060.08-4,760.60

Finding the Fourth Proportional to 8,739.45, 12,060.08 and 4,760.60

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Solution

The fourth proportional to 8,739.45, 12,060.08 and 4,760.60 is: 6,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.45 : 12,060.08 = 4,760.60 : x
  2. Step 2: Convert to fraction form
    8,739.45/12,060.08 = 4,760.60/x
  3. Step 3: Cross multiply
    8,739.45x = 12,060.08 × 4,760.60
  4. Step 4: Simplify right side
    8,739.45x = 57,413,162.89
  5. Step 5: Solve for x
    x = 57,413,162.89/8,739.45
  6. Step 6: Final answer
    x = 6,569.42

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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.