Home / 8,731.58-12,047.51-4,953.92

Finding the Fourth Proportional to 8,731.58, 12,047.51 and 4,953.92

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Solution

The fourth proportional to 8,731.58, 12,047.51 and 4,953.92 is: 6,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.58 : 12,047.51 = 4,953.92 : x
  2. Step 2: Convert to fraction form
    8,731.58/12,047.51 = 4,953.92/x
  3. Step 3: Cross multiply
    8,731.58x = 12,047.51 × 4,953.92
  4. Step 4: Simplify right side
    8,731.58x = 59,682,315.73
  5. Step 5: Solve for x
    x = 59,682,315.73/8,731.58
  6. Step 6: Final answer
    x = 6,835.23

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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.