Home / 10,885.36-16,327.68-4,729.36

Finding the Fourth Proportional to 10,885.36, 16,327.68 and 4,729.36

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Solution

The fourth proportional to 10,885.36, 16,327.68 and 4,729.36 is: 7,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.36 : 16,327.68 = 4,729.36 : x
  2. Step 2: Convert to fraction form
    10,885.36/16,327.68 = 4,729.36/x
  3. Step 3: Cross multiply
    10,885.36x = 16,327.68 × 4,729.36
  4. Step 4: Simplify right side
    10,885.36x = 77,219,476.68
  5. Step 5: Solve for x
    x = 77,219,476.68/10,885.36
  6. Step 6: Final answer
    x = 7,093.88

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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.