Home / 11,873.40-17,811.70-4,084.60

Finding the Fourth Proportional to 11,873.40, 17,811.70 and 4,084.60

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Solution

The fourth proportional to 11,873.40, 17,811.70 and 4,084.60 is: 6,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.40 : 17,811.70 = 4,084.60 : x
  2. Step 2: Convert to fraction form
    11,873.40/17,811.70 = 4,084.60/x
  3. Step 3: Cross multiply
    11,873.40x = 17,811.70 × 4,084.60
  4. Step 4: Simplify right side
    11,873.40x = 72,753,669.82
  5. Step 5: Solve for x
    x = 72,753,669.82/11,873.40
  6. Step 6: Final answer
    x = 6,127.45

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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.