Home / 11,675.01-16,111.61-6,369.87

Finding the Fourth Proportional to 11,675.01, 16,111.61 and 6,369.87

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Solution

The fourth proportional to 11,675.01, 16,111.61 and 6,369.87 is: 8,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.01 : 16,111.61 = 6,369.87 : x
  2. Step 2: Convert to fraction form
    11,675.01/16,111.61 = 6,369.87/x
  3. Step 3: Cross multiply
    11,675.01x = 16,111.61 × 6,369.87
  4. Step 4: Simplify right side
    11,675.01x = 102,628,829.34
  5. Step 5: Solve for x
    x = 102,628,829.34/11,675.01
  6. Step 6: Final answer
    x = 8,790.47

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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.