Home / 8,731.72-12,050.05-4,955.04

Finding the Fourth Proportional to 8,731.72, 12,050.05 and 4,955.04

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Solution

The fourth proportional to 8,731.72, 12,050.05 and 4,955.04 is: 6,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.72 : 12,050.05 = 4,955.04 : x
  2. Step 2: Convert to fraction form
    8,731.72/12,050.05 = 4,955.04/x
  3. Step 3: Cross multiply
    8,731.72x = 12,050.05 × 4,955.04
  4. Step 4: Simplify right side
    8,731.72x = 59,708,479.75
  5. Step 5: Solve for x
    x = 59,708,479.75/8,731.72
  6. Step 6: Final answer
    x = 6,838.12

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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.