Home / 7,406.42-11,114.10-3,246.66

Finding the Fourth Proportional to 7,406.42, 11,114.10 and 3,246.66

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Solution

The fourth proportional to 7,406.42, 11,114.10 and 3,246.66 is: 4,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.42 : 11,114.10 = 3,246.66 : x
  2. Step 2: Convert to fraction form
    7,406.42/11,114.10 = 3,246.66/x
  3. Step 3: Cross multiply
    7,406.42x = 11,114.10 × 3,246.66
  4. Step 4: Simplify right side
    7,406.42x = 36,083,703.91
  5. Step 5: Solve for x
    x = 36,083,703.91/7,406.42
  6. Step 6: Final answer
    x = 4,871.95

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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.