Home / 11,666.51-16,099.95-6,361.33

Finding the Fourth Proportional to 11,666.51, 16,099.95 and 6,361.33

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Solution

The fourth proportional to 11,666.51, 16,099.95 and 6,361.33 is: 8,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.51 : 16,099.95 = 6,361.33 : x
  2. Step 2: Convert to fraction form
    11,666.51/16,099.95 = 6,361.33/x
  3. Step 3: Cross multiply
    11,666.51x = 16,099.95 × 6,361.33
  4. Step 4: Simplify right side
    11,666.51x = 102,417,094.93
  5. Step 5: Solve for x
    x = 102,417,094.93/11,666.51
  6. Step 6: Final answer
    x = 8,778.73

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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.