Home / 11,361.12-15,685.97-10,162.37

Finding the Fourth Proportional to 11,361.12, 15,685.97 and 10,162.37

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Solution

The fourth proportional to 11,361.12, 15,685.97 and 10,162.37 is: 14,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.12 : 15,685.97 = 10,162.37 : x
  2. Step 2: Convert to fraction form
    11,361.12/15,685.97 = 10,162.37/x
  3. Step 3: Cross multiply
    11,361.12x = 15,685.97 × 10,162.37
  4. Step 4: Simplify right side
    11,361.12x = 159,406,630.95
  5. Step 5: Solve for x
    x = 159,406,630.95/11,361.12
  6. Step 6: Final answer
    x = 14,030.89

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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.