Home / 8,160.41-12,240.72-2,317.01

Finding the Fourth Proportional to 8,160.41, 12,240.72 and 2,317.01

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Solution

The fourth proportional to 8,160.41, 12,240.72 and 2,317.01 is: 3,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.41 : 12,240.72 = 2,317.01 : x
  2. Step 2: Convert to fraction form
    8,160.41/12,240.72 = 2,317.01/x
  3. Step 3: Cross multiply
    8,160.41x = 12,240.72 × 2,317.01
  4. Step 4: Simplify right side
    8,160.41x = 28,361,809.44
  5. Step 5: Solve for x
    x = 28,361,809.44/8,160.41
  6. Step 6: Final answer
    x = 3,475.54

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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.