Home / 10,955.45-16,416.78-6,568.09

Finding the Fourth Proportional to 10,955.45, 16,416.78 and 6,568.09

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Solution

The fourth proportional to 10,955.45, 16,416.78 and 6,568.09 is: 9,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.45 : 16,416.78 = 6,568.09 : x
  2. Step 2: Convert to fraction form
    10,955.45/16,416.78 = 6,568.09/x
  3. Step 3: Cross multiply
    10,955.45x = 16,416.78 × 6,568.09
  4. Step 4: Simplify right side
    10,955.45x = 107,826,822.88
  5. Step 5: Solve for x
    x = 107,826,822.88/10,955.45
  6. Step 6: Final answer
    x = 9,842.30

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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.