Home / 8,157.51-12,237.21-2,964.60

Finding the Fourth Proportional to 8,157.51, 12,237.21 and 2,964.60

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Solution

The fourth proportional to 8,157.51, 12,237.21 and 2,964.60 is: 4,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.51 : 12,237.21 = 2,964.60 : x
  2. Step 2: Convert to fraction form
    8,157.51/12,237.21 = 2,964.60/x
  3. Step 3: Cross multiply
    8,157.51x = 12,237.21 × 2,964.60
  4. Step 4: Simplify right side
    8,157.51x = 36,278,432.77
  5. Step 5: Solve for x
    x = 36,278,432.77/8,157.51
  6. Step 6: Final answer
    x = 4,447.24

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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.