Home / 11,811.48-16,299.46-6,506.25

Finding the Fourth Proportional to 11,811.48, 16,299.46 and 6,506.25

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Solution

The fourth proportional to 11,811.48, 16,299.46 and 6,506.25 is: 8,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.48 : 16,299.46 = 6,506.25 : x
  2. Step 2: Convert to fraction form
    11,811.48/16,299.46 = 6,506.25/x
  3. Step 3: Cross multiply
    11,811.48x = 16,299.46 × 6,506.25
  4. Step 4: Simplify right side
    11,811.48x = 106,048,361.63
  5. Step 5: Solve for x
    x = 106,048,361.63/11,811.48
  6. Step 6: Final answer
    x = 8,978.41

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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.