Home / 11,790.20-16,270.72-7,010.66

Finding the Fourth Proportional to 11,790.20, 16,270.72 and 7,010.66

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Solution

The fourth proportional to 11,790.20, 16,270.72 and 7,010.66 is: 9,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.20 : 16,270.72 = 7,010.66 : x
  2. Step 2: Convert to fraction form
    11,790.20/16,270.72 = 7,010.66/x
  3. Step 3: Cross multiply
    11,790.20x = 16,270.72 × 7,010.66
  4. Step 4: Simplify right side
    11,790.20x = 114,068,485.88
  5. Step 5: Solve for x
    x = 114,068,485.88/11,790.20
  6. Step 6: Final answer
    x = 9,674.86

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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.