Home / 11,666.69-16,100.19-6,361.59

Finding the Fourth Proportional to 11,666.69, 16,100.19 and 6,361.59

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Solution

The fourth proportional to 11,666.69, 16,100.19 and 6,361.59 is: 8,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.69 : 16,100.19 = 6,361.59 : x
  2. Step 2: Convert to fraction form
    11,666.69/16,100.19 = 6,361.59/x
  3. Step 3: Cross multiply
    11,666.69x = 16,100.19 × 6,361.59
  4. Step 4: Simplify right side
    11,666.69x = 102,422,807.70
  5. Step 5: Solve for x
    x = 102,422,807.70/11,666.69
  6. Step 6: Final answer
    x = 8,779.08

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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.