Home / 13,134.07-19,706.87-6,892.61

Finding the Fourth Proportional to 13,134.07, 19,706.87 and 6,892.61

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Solution

The fourth proportional to 13,134.07, 19,706.87 and 6,892.61 is: 10,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.07 : 19,706.87 = 6,892.61 : x
  2. Step 2: Convert to fraction form
    13,134.07/19,706.87 = 6,892.61/x
  3. Step 3: Cross multiply
    13,134.07x = 19,706.87 × 6,892.61
  4. Step 4: Simplify right side
    13,134.07x = 135,831,835.73
  5. Step 5: Solve for x
    x = 135,831,835.73/13,134.07
  6. Step 6: Final answer
    x = 10,341.95

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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.