Home / 11,813.42-17,722.30-4,888.46

Finding the Fourth Proportional to 11,813.42, 17,722.30 and 4,888.46

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Solution

The fourth proportional to 11,813.42, 17,722.30 and 4,888.46 is: 7,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.42 : 17,722.30 = 4,888.46 : x
  2. Step 2: Convert to fraction form
    11,813.42/17,722.30 = 4,888.46/x
  3. Step 3: Cross multiply
    11,813.42x = 17,722.30 × 4,888.46
  4. Step 4: Simplify right side
    11,813.42x = 86,634,754.66
  5. Step 5: Solve for x
    x = 86,634,754.66/11,813.42
  6. Step 6: Final answer
    x = 7,333.59

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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.