Home / 7,563.80-10,428.99-4,910.24

Finding the Fourth Proportional to 7,563.80, 10,428.99 and 4,910.24

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Solution

The fourth proportional to 7,563.80, 10,428.99 and 4,910.24 is: 6,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.80 : 10,428.99 = 4,910.24 : x
  2. Step 2: Convert to fraction form
    7,563.80/10,428.99 = 4,910.24/x
  3. Step 3: Cross multiply
    7,563.80x = 10,428.99 × 4,910.24
  4. Step 4: Simplify right side
    7,563.80x = 51,208,843.86
  5. Step 5: Solve for x
    x = 51,208,843.86/7,563.80
  6. Step 6: Final answer
    x = 6,770.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.