Home / 11,848.68-16,350.12-6,811.56

Finding the Fourth Proportional to 11,848.68, 16,350.12 and 6,811.56

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Solution

The fourth proportional to 11,848.68, 16,350.12 and 6,811.56 is: 9,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.68 : 16,350.12 = 6,811.56 : x
  2. Step 2: Convert to fraction form
    11,848.68/16,350.12 = 6,811.56/x
  3. Step 3: Cross multiply
    11,848.68x = 16,350.12 × 6,811.56
  4. Step 4: Simplify right side
    11,848.68x = 111,369,823.39
  5. Step 5: Solve for x
    x = 111,369,823.39/11,848.68
  6. Step 6: Final answer
    x = 9,399.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.