Home / 11,790.86-16,262.90-8,007.45

Finding the Fourth Proportional to 11,790.86, 16,262.90 and 8,007.45

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Solution

The fourth proportional to 11,790.86, 16,262.90 and 8,007.45 is: 11,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.86 : 16,262.90 = 8,007.45 : x
  2. Step 2: Convert to fraction form
    11,790.86/16,262.90 = 8,007.45/x
  3. Step 3: Cross multiply
    11,790.86x = 16,262.90 × 8,007.45
  4. Step 4: Simplify right side
    11,790.86x = 130,224,318.57
  5. Step 5: Solve for x
    x = 130,224,318.57/11,790.86
  6. Step 6: Final answer
    x = 11,044.52

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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.