Home / 7,912.74-11,861.36-4,404.42

Finding the Fourth Proportional to 7,912.74, 11,861.36 and 4,404.42

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Solution

The fourth proportional to 7,912.74, 11,861.36 and 4,404.42 is: 6,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.74 : 11,861.36 = 4,404.42 : x
  2. Step 2: Convert to fraction form
    7,912.74/11,861.36 = 4,404.42/x
  3. Step 3: Cross multiply
    7,912.74x = 11,861.36 × 4,404.42
  4. Step 4: Simplify right side
    7,912.74x = 52,242,411.21
  5. Step 5: Solve for x
    x = 52,242,411.21/7,912.74
  6. Step 6: Final answer
    x = 6,602.32

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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.