Home / 9,629.60-14,449.20-5,472.80

Finding the Fourth Proportional to 9,629.60, 14,449.20 and 5,472.80

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Solution

The fourth proportional to 9,629.60, 14,449.20 and 5,472.80 is: 8,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.60 : 14,449.20 = 5,472.80 : x
  2. Step 2: Convert to fraction form
    9,629.60/14,449.20 = 5,472.80/x
  3. Step 3: Cross multiply
    9,629.60x = 14,449.20 × 5,472.80
  4. Step 4: Simplify right side
    9,629.60x = 79,077,581.76
  5. Step 5: Solve for x
    x = 79,077,581.76/9,629.60
  6. Step 6: Final answer
    x = 8,211.93

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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.