Home / 8,739.60-12,060.54-4,760.61

Finding the Fourth Proportional to 8,739.60, 12,060.54 and 4,760.61

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Solution

The fourth proportional to 8,739.60, 12,060.54 and 4,760.61 is: 6,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.60 : 12,060.54 = 4,760.61 : x
  2. Step 2: Convert to fraction form
    8,739.60/12,060.54 = 4,760.61/x
  3. Step 3: Cross multiply
    8,739.60x = 12,060.54 × 4,760.61
  4. Step 4: Simplify right side
    8,739.60x = 57,415,527.33
  5. Step 5: Solve for x
    x = 57,415,527.33/8,739.60
  6. Step 6: Final answer
    x = 6,569.58

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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.