Home / 7,834.40-11,749.76-4,672.73

Finding the Fourth Proportional to 7,834.40, 11,749.76 and 4,672.73

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Solution

The fourth proportional to 7,834.40, 11,749.76 and 4,672.73 is: 7,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.40 : 11,749.76 = 4,672.73 : x
  2. Step 2: Convert to fraction form
    7,834.40/11,749.76 = 4,672.73/x
  3. Step 3: Cross multiply
    7,834.40x = 11,749.76 × 4,672.73
  4. Step 4: Simplify right side
    7,834.40x = 54,903,432.13
  5. Step 5: Solve for x
    x = 54,903,432.13/7,834.40
  6. Step 6: Final answer
    x = 7,007.99

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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.