Home / 8,211.18-11,331.93-4,674.42

Finding the Fourth Proportional to 8,211.18, 11,331.93 and 4,674.42

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Solution

The fourth proportional to 8,211.18, 11,331.93 and 4,674.42 is: 6,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.18 : 11,331.93 = 4,674.42 : x
  2. Step 2: Convert to fraction form
    8,211.18/11,331.93 = 4,674.42/x
  3. Step 3: Cross multiply
    8,211.18x = 11,331.93 × 4,674.42
  4. Step 4: Simplify right side
    8,211.18x = 52,970,200.23
  5. Step 5: Solve for x
    x = 52,970,200.23/8,211.18
  6. Step 6: Final answer
    x = 6,450.99

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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.