Home / 8,160.88-11,261.80-4,623.76

Finding the Fourth Proportional to 8,160.88, 11,261.80 and 4,623.76

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Solution

The fourth proportional to 8,160.88, 11,261.80 and 4,623.76 is: 6,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.88 : 11,261.80 = 4,623.76 : x
  2. Step 2: Convert to fraction form
    8,160.88/11,261.80 = 4,623.76/x
  3. Step 3: Cross multiply
    8,160.88x = 11,261.80 × 4,623.76
  4. Step 4: Simplify right side
    8,160.88x = 52,071,860.37
  5. Step 5: Solve for x
    x = 52,071,860.37/8,160.88
  6. Step 6: Final answer
    x = 6,380.67

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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.