Home / 8,130.41-12,193.09-2,935.61

Finding the Fourth Proportional to 8,130.41, 12,193.09 and 2,935.61

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Solution

The fourth proportional to 8,130.41, 12,193.09 and 2,935.61 is: 4,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.41 : 12,193.09 = 2,935.61 : x
  2. Step 2: Convert to fraction form
    8,130.41/12,193.09 = 2,935.61/x
  3. Step 3: Cross multiply
    8,130.41x = 12,193.09 × 2,935.61
  4. Step 4: Simplify right side
    8,130.41x = 35,794,156.93
  5. Step 5: Solve for x
    x = 35,794,156.93/8,130.41
  6. Step 6: Final answer
    x = 4,402.50

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1.5x scale

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.