Home / 7,975.21-11,005.50-4,438.35

Finding the Fourth Proportional to 7,975.21, 11,005.50 and 4,438.35

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Solution

The fourth proportional to 7,975.21, 11,005.50 and 4,438.35 is: 6,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.21 : 11,005.50 = 4,438.35 : x
  2. Step 2: Convert to fraction form
    7,975.21/11,005.50 = 4,438.35/x
  3. Step 3: Cross multiply
    7,975.21x = 11,005.50 × 4,438.35
  4. Step 4: Simplify right side
    7,975.21x = 48,846,260.93
  5. Step 5: Solve for x
    x = 48,846,260.93/7,975.21
  6. Step 6: Final answer
    x = 6,124.76

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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.