Home / 11,803.80-17,705.61-4,783.71

Finding the Fourth Proportional to 11,803.80, 17,705.61 and 4,783.71

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Solution

The fourth proportional to 11,803.80, 17,705.61 and 4,783.71 is: 7,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.80 : 17,705.61 = 4,783.71 : x
  2. Step 2: Convert to fraction form
    11,803.80/17,705.61 = 4,783.71/x
  3. Step 3: Cross multiply
    11,803.80x = 17,705.61 × 4,783.71
  4. Step 4: Simplify right side
    11,803.80x = 84,698,503.61
  5. Step 5: Solve for x
    x = 84,698,503.61/11,803.80
  6. Step 6: Final answer
    x = 7,175.53

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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.