Home / 9,021.68-12,450.12-6,373.76

Finding the Fourth Proportional to 9,021.68, 12,450.12 and 6,373.76

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Solution

The fourth proportional to 9,021.68, 12,450.12 and 6,373.76 is: 8,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.68 : 12,450.12 = 6,373.76 : x
  2. Step 2: Convert to fraction form
    9,021.68/12,450.12 = 6,373.76/x
  3. Step 3: Cross multiply
    9,021.68x = 12,450.12 × 6,373.76
  4. Step 4: Simplify right side
    9,021.68x = 79,354,076.85
  5. Step 5: Solve for x
    x = 79,354,076.85/9,021.68
  6. Step 6: Final answer
    x = 8,795.93

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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.