Home / 6,647.15-9,173.16-3,814.98

Finding the Fourth Proportional to 6,647.15, 9,173.16 and 3,814.98

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Solution

The fourth proportional to 6,647.15, 9,173.16 and 3,814.98 is: 5,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.15 : 9,173.16 = 3,814.98 : x
  2. Step 2: Convert to fraction form
    6,647.15/9,173.16 = 3,814.98/x
  3. Step 3: Cross multiply
    6,647.15x = 9,173.16 × 3,814.98
  4. Step 4: Simplify right side
    6,647.15x = 34,995,421.94
  5. Step 5: Solve for x
    x = 34,995,421.94/6,647.15
  6. Step 6: Final answer
    x = 5,264.73

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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.