Home / 7,623.46-11,438.88-4,160.62

Finding the Fourth Proportional to 7,623.46, 11,438.88 and 4,160.62

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Solution

The fourth proportional to 7,623.46, 11,438.88 and 4,160.62 is: 6,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.46 : 11,438.88 = 4,160.62 : x
  2. Step 2: Convert to fraction form
    7,623.46/11,438.88 = 4,160.62/x
  3. Step 3: Cross multiply
    7,623.46x = 11,438.88 × 4,160.62
  4. Step 4: Simplify right side
    7,623.46x = 47,592,832.91
  5. Step 5: Solve for x
    x = 47,592,832.91/7,623.46
  6. Step 6: Final answer
    x = 6,242.94

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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.