Home / 7,003.77-10,505.70-4,805.85

Finding the Fourth Proportional to 7,003.77, 10,505.70 and 4,805.85

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Solution

The fourth proportional to 7,003.77, 10,505.70 and 4,805.85 is: 7,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.77 : 10,505.70 = 4,805.85 : x
  2. Step 2: Convert to fraction form
    7,003.77/10,505.70 = 4,805.85/x
  3. Step 3: Cross multiply
    7,003.77x = 10,505.70 × 4,805.85
  4. Step 4: Simplify right side
    7,003.77x = 50,488,818.35
  5. Step 5: Solve for x
    x = 50,488,818.35/7,003.77
  6. Step 6: Final answer
    x = 7,208.81

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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.