Home / 7,955.60-11,930.36-3,792.42

Finding the Fourth Proportional to 7,955.60, 11,930.36 and 3,792.42

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Solution

The fourth proportional to 7,955.60, 11,930.36 and 3,792.42 is: 5,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.60 : 11,930.36 = 3,792.42 : x
  2. Step 2: Convert to fraction form
    7,955.60/11,930.36 = 3,792.42/x
  3. Step 3: Cross multiply
    7,955.60x = 11,930.36 × 3,792.42
  4. Step 4: Simplify right side
    7,955.60x = 45,244,916.91
  5. Step 5: Solve for x
    x = 45,244,916.91/7,955.60
  6. Step 6: Final answer
    x = 5,687.18

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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.