Home / 8,124.48-12,176.91-3,958.25

Finding the Fourth Proportional to 8,124.48, 12,176.91 and 3,958.25

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Solution

The fourth proportional to 8,124.48, 12,176.91 and 3,958.25 is: 5,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.48 : 12,176.91 = 3,958.25 : x
  2. Step 2: Convert to fraction form
    8,124.48/12,176.91 = 3,958.25/x
  3. Step 3: Cross multiply
    8,124.48x = 12,176.91 × 3,958.25
  4. Step 4: Simplify right side
    8,124.48x = 48,199,254.01
  5. Step 5: Solve for x
    x = 48,199,254.01/8,124.48
  6. Step 6: Final answer
    x = 5,932.60

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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.