Home / 7,216.12-10,814.61-3,705.98

Finding the Fourth Proportional to 7,216.12, 10,814.61 and 3,705.98

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Solution

The fourth proportional to 7,216.12, 10,814.61 and 3,705.98 is: 5,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.12 : 10,814.61 = 3,705.98 : x
  2. Step 2: Convert to fraction form
    7,216.12/10,814.61 = 3,705.98/x
  3. Step 3: Cross multiply
    7,216.12x = 10,814.61 × 3,705.98
  4. Step 4: Simplify right side
    7,216.12x = 40,078,709.84
  5. Step 5: Solve for x
    x = 40,078,709.84/7,216.12
  6. Step 6: Final answer
    x = 5,554.06

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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.