Home / 7,704.12-10,632.47-4,721.94

Finding the Fourth Proportional to 7,704.12, 10,632.47 and 4,721.94

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Solution

The fourth proportional to 7,704.12, 10,632.47 and 4,721.94 is: 6,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.12 : 10,632.47 = 4,721.94 : x
  2. Step 2: Convert to fraction form
    7,704.12/10,632.47 = 4,721.94/x
  3. Step 3: Cross multiply
    7,704.12x = 10,632.47 × 4,721.94
  4. Step 4: Simplify right side
    7,704.12x = 50,205,861.78
  5. Step 5: Solve for x
    x = 50,205,861.78/7,704.12
  6. Step 6: Final answer
    x = 6,516.75

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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.