Home / 11,255.81-16,885.76-5,636.41

Finding the Fourth Proportional to 11,255.81, 16,885.76 and 5,636.41

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Solution

The fourth proportional to 11,255.81, 16,885.76 and 5,636.41 is: 8,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.81 : 16,885.76 = 5,636.41 : x
  2. Step 2: Convert to fraction form
    11,255.81/16,885.76 = 5,636.41/x
  3. Step 3: Cross multiply
    11,255.81x = 16,885.76 × 5,636.41
  4. Step 4: Simplify right side
    11,255.81x = 95,174,996.13
  5. Step 5: Solve for x
    x = 95,174,996.13/11,255.81
  6. Step 6: Final answer
    x = 8,455.64

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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.