Home / 11,282.80-16,910.70-4,705.60

Finding the Fourth Proportional to 11,282.80, 16,910.70 and 4,705.60

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Solution

The fourth proportional to 11,282.80, 16,910.70 and 4,705.60 is: 7,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.80 : 16,910.70 = 4,705.60 : x
  2. Step 2: Convert to fraction form
    11,282.80/16,910.70 = 4,705.60/x
  3. Step 3: Cross multiply
    11,282.80x = 16,910.70 × 4,705.60
  4. Step 4: Simplify right side
    11,282.80x = 79,574,989.92
  5. Step 5: Solve for x
    x = 79,574,989.92/11,282.80
  6. Step 6: Final answer
    x = 7,052.77

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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.