Home / 8,811.83-13,216.45-2,570.16

Finding the Fourth Proportional to 8,811.83, 13,216.45 and 2,570.16

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Solution

The fourth proportional to 8,811.83, 13,216.45 and 2,570.16 is: 3,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.83 : 13,216.45 = 2,570.16 : x
  2. Step 2: Convert to fraction form
    8,811.83/13,216.45 = 2,570.16/x
  3. Step 3: Cross multiply
    8,811.83x = 13,216.45 × 2,570.16
  4. Step 4: Simplify right side
    8,811.83x = 33,968,378.28
  5. Step 5: Solve for x
    x = 33,968,378.28/8,811.83
  6. Step 6: Final answer
    x = 3,854.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.