Home / 8,731.60-12,050.26-4,955.42

Finding the Fourth Proportional to 8,731.60, 12,050.26 and 4,955.42

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Solution

The fourth proportional to 8,731.60, 12,050.26 and 4,955.42 is: 6,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.60 : 12,050.26 = 4,955.42 : x
  2. Step 2: Convert to fraction form
    8,731.60/12,050.26 = 4,955.42/x
  3. Step 3: Cross multiply
    8,731.60x = 12,050.26 × 4,955.42
  4. Step 4: Simplify right side
    8,731.60x = 59,714,099.41
  5. Step 5: Solve for x
    x = 59,714,099.41/8,731.60
  6. Step 6: Final answer
    x = 6,838.85

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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.