Home / 7,305.12-10,943.10-4,525.20

Finding the Fourth Proportional to 7,305.12, 10,943.10 and 4,525.20

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Solution

The fourth proportional to 7,305.12, 10,943.10 and 4,525.20 is: 6,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.12 : 10,943.10 = 4,525.20 : x
  2. Step 2: Convert to fraction form
    7,305.12/10,943.10 = 4,525.20/x
  3. Step 3: Cross multiply
    7,305.12x = 10,943.10 × 4,525.20
  4. Step 4: Simplify right side
    7,305.12x = 49,519,716.12
  5. Step 5: Solve for x
    x = 49,519,716.12/7,305.12
  6. Step 6: Final answer
    x = 6,778.77

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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.