Home / 11,790.19-16,270.50-6,485.34

Finding the Fourth Proportional to 11,790.19, 16,270.50 and 6,485.34

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Solution

The fourth proportional to 11,790.19, 16,270.50 and 6,485.34 is: 8,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.19 : 16,270.50 = 6,485.34 : x
  2. Step 2: Convert to fraction form
    11,790.19/16,270.50 = 6,485.34/x
  3. Step 3: Cross multiply
    11,790.19x = 16,270.50 × 6,485.34
  4. Step 4: Simplify right side
    11,790.19x = 105,519,724.47
  5. Step 5: Solve for x
    x = 105,519,724.47/11,790.19
  6. Step 6: Final answer
    x = 8,949.79

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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.