Home / 8,032.20-12,038.70-4,134.60

Finding the Fourth Proportional to 8,032.20, 12,038.70 and 4,134.60

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Solution

The fourth proportional to 8,032.20, 12,038.70 and 4,134.60 is: 6,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.20 : 12,038.70 = 4,134.60 : x
  2. Step 2: Convert to fraction form
    8,032.20/12,038.70 = 4,134.60/x
  3. Step 3: Cross multiply
    8,032.20x = 12,038.70 × 4,134.60
  4. Step 4: Simplify right side
    8,032.20x = 49,775,209.02
  5. Step 5: Solve for x
    x = 49,775,209.02/8,032.20
  6. Step 6: Final answer
    x = 6,196.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.