Home / 11,342.60-17,020.46-4,768.20

Finding the Fourth Proportional to 11,342.60, 17,020.46 and 4,768.20

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Solution

The fourth proportional to 11,342.60, 17,020.46 and 4,768.20 is: 7,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.60 : 17,020.46 = 4,768.20 : x
  2. Step 2: Convert to fraction form
    11,342.60/17,020.46 = 4,768.20/x
  3. Step 3: Cross multiply
    11,342.60x = 17,020.46 × 4,768.20
  4. Step 4: Simplify right side
    11,342.60x = 81,156,957.37
  5. Step 5: Solve for x
    x = 81,156,957.37/11,342.60
  6. Step 6: Final answer
    x = 7,155.06

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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.