Home / 11,675.16-16,111.70-6,369.98

Finding the Fourth Proportional to 11,675.16, 16,111.70 and 6,369.98

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Solution

The fourth proportional to 11,675.16, 16,111.70 and 6,369.98 is: 8,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.16 : 16,111.70 = 6,369.98 : x
  2. Step 2: Convert to fraction form
    11,675.16/16,111.70 = 6,369.98/x
  3. Step 3: Cross multiply
    11,675.16x = 16,111.70 × 6,369.98
  4. Step 4: Simplify right side
    11,675.16x = 102,631,206.77
  5. Step 5: Solve for x
    x = 102,631,206.77/11,675.16
  6. Step 6: Final answer
    x = 8,790.56

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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.