Home / 11,406.33-15,740.46-6,370.36

Finding the Fourth Proportional to 11,406.33, 15,740.46 and 6,370.36

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Solution

The fourth proportional to 11,406.33, 15,740.46 and 6,370.36 is: 8,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.33 : 15,740.46 = 6,370.36 : x
  2. Step 2: Convert to fraction form
    11,406.33/15,740.46 = 6,370.36/x
  3. Step 3: Cross multiply
    11,406.33x = 15,740.46 × 6,370.36
  4. Step 4: Simplify right side
    11,406.33x = 100,272,357.41
  5. Step 5: Solve for x
    x = 100,272,357.41/11,406.33
  6. Step 6: Final answer
    x = 8,790.94

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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.