Home / 11,811.19-16,299.48-6,506.02

Finding the Fourth Proportional to 11,811.19, 16,299.48 and 6,506.02

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Solution

The fourth proportional to 11,811.19, 16,299.48 and 6,506.02 is: 8,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.19 : 16,299.48 = 6,506.02 : x
  2. Step 2: Convert to fraction form
    11,811.19/16,299.48 = 6,506.02/x
  3. Step 3: Cross multiply
    11,811.19x = 16,299.48 × 6,506.02
  4. Step 4: Simplify right side
    11,811.19x = 106,044,742.87
  5. Step 5: Solve for x
    x = 106,044,742.87/11,811.19
  6. Step 6: Final answer
    x = 8,978.33

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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.