Home / 12,152.34-16,771.19-6,847.65

Finding the Fourth Proportional to 12,152.34, 16,771.19 and 6,847.65

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Solution

The fourth proportional to 12,152.34, 16,771.19 and 6,847.65 is: 9,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.34 : 16,771.19 = 6,847.65 : x
  2. Step 2: Convert to fraction form
    12,152.34/16,771.19 = 6,847.65/x
  3. Step 3: Cross multiply
    12,152.34x = 16,771.19 × 6,847.65
  4. Step 4: Simplify right side
    12,152.34x = 114,843,204.97
  5. Step 5: Solve for x
    x = 114,843,204.97/12,152.34
  6. Step 6: Final answer
    x = 9,450.30

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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.