Home / 8,746.96-13,120.20-2,173.08

Finding the Fourth Proportional to 8,746.96, 13,120.20 and 2,173.08

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Solution

The fourth proportional to 8,746.96, 13,120.20 and 2,173.08 is: 3,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.96 : 13,120.20 = 2,173.08 : x
  2. Step 2: Convert to fraction form
    8,746.96/13,120.20 = 2,173.08/x
  3. Step 3: Cross multiply
    8,746.96x = 13,120.20 × 2,173.08
  4. Step 4: Simplify right side
    8,746.96x = 28,511,244.22
  5. Step 5: Solve for x
    x = 28,511,244.22/8,746.96
  6. Step 6: Final answer
    x = 3,259.56

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1.5x scale

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.