Home / 6,538.85-9,808.23-2,156.66

Finding the Fourth Proportional to 6,538.85, 9,808.23 and 2,156.66

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Solution

The fourth proportional to 6,538.85, 9,808.23 and 2,156.66 is: 3,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.85 : 9,808.23 = 2,156.66 : x
  2. Step 2: Convert to fraction form
    6,538.85/9,808.23 = 2,156.66/x
  3. Step 3: Cross multiply
    6,538.85x = 9,808.23 × 2,156.66
  4. Step 4: Simplify right side
    6,538.85x = 21,153,017.31
  5. Step 5: Solve for x
    x = 21,153,017.31/6,538.85
  6. Step 6: Final answer
    x = 3,234.98

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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.