Home / 8,975.46-12,385.26-4,996.20

Finding the Fourth Proportional to 8,975.46, 12,385.26 and 4,996.20

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Solution

The fourth proportional to 8,975.46, 12,385.26 and 4,996.20 is: 6,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.46 : 12,385.26 = 4,996.20 : x
  2. Step 2: Convert to fraction form
    8,975.46/12,385.26 = 4,996.20/x
  3. Step 3: Cross multiply
    8,975.46x = 12,385.26 × 4,996.20
  4. Step 4: Simplify right side
    8,975.46x = 61,879,236.01
  5. Step 5: Solve for x
    x = 61,879,236.01/8,975.46
  6. Step 6: Final answer
    x = 6,894.27

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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.