Home / 11,348.40-17,020.32-3,953.18

Finding the Fourth Proportional to 11,348.40, 17,020.32 and 3,953.18

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Solution

The fourth proportional to 11,348.40, 17,020.32 and 3,953.18 is: 5,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.40 : 17,020.32 = 3,953.18 : x
  2. Step 2: Convert to fraction form
    11,348.40/17,020.32 = 3,953.18/x
  3. Step 3: Cross multiply
    11,348.40x = 17,020.32 × 3,953.18
  4. Step 4: Simplify right side
    11,348.40x = 67,284,388.62
  5. Step 5: Solve for x
    x = 67,284,388.62/11,348.40
  6. Step 6: Final answer
    x = 5,928.98

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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.