Home / 9,729.20-14,592.60-2,709.74

Finding the Fourth Proportional to 9,729.20, 14,592.60 and 2,709.74

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Solution

The fourth proportional to 9,729.20, 14,592.60 and 2,709.74 is: 4,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.20 : 14,592.60 = 2,709.74 : x
  2. Step 2: Convert to fraction form
    9,729.20/14,592.60 = 2,709.74/x
  3. Step 3: Cross multiply
    9,729.20x = 14,592.60 × 2,709.74
  4. Step 4: Simplify right side
    9,729.20x = 39,542,151.92
  5. Step 5: Solve for x
    x = 39,542,151.92/9,729.20
  6. Step 6: Final answer
    x = 4,064.28

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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.