Home / 11,571.34-15,968.12-6,855.62

Finding the Fourth Proportional to 11,571.34, 15,968.12 and 6,855.62

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Solution

The fourth proportional to 11,571.34, 15,968.12 and 6,855.62 is: 9,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.34 : 15,968.12 = 6,855.62 : x
  2. Step 2: Convert to fraction form
    11,571.34/15,968.12 = 6,855.62/x
  3. Step 3: Cross multiply
    11,571.34x = 15,968.12 × 6,855.62
  4. Step 4: Simplify right side
    11,571.34x = 109,471,419.89
  5. Step 5: Solve for x
    x = 109,471,419.89/11,571.34
  6. Step 6: Final answer
    x = 9,460.57

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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.