Home / 11,105.60-16,658.40-4,528.40

Finding the Fourth Proportional to 11,105.60, 16,658.40 and 4,528.40

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Solution

The fourth proportional to 11,105.60, 16,658.40 and 4,528.40 is: 6,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.60 : 16,658.40 = 4,528.40 : x
  2. Step 2: Convert to fraction form
    11,105.60/16,658.40 = 4,528.40/x
  3. Step 3: Cross multiply
    11,105.60x = 16,658.40 × 4,528.40
  4. Step 4: Simplify right side
    11,105.60x = 75,435,898.56
  5. Step 5: Solve for x
    x = 75,435,898.56/11,105.60
  6. Step 6: Final answer
    x = 6,792.60

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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.