Home / 11,925.16-17,905.29-6,670.46

Finding the Fourth Proportional to 11,925.16, 17,905.29 and 6,670.46

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Solution

The fourth proportional to 11,925.16, 17,905.29 and 6,670.46 is: 10,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.16 : 17,905.29 = 6,670.46 : x
  2. Step 2: Convert to fraction form
    11,925.16/17,905.29 = 6,670.46/x
  3. Step 3: Cross multiply
    11,925.16x = 17,905.29 × 6,670.46
  4. Step 4: Simplify right side
    11,925.16x = 119,436,520.73
  5. Step 5: Solve for x
    x = 119,436,520.73/11,925.16
  6. Step 6: Final answer
    x = 10,015.51

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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.