Home / 12,147.08-16,751.22-10,833.80

Finding the Fourth Proportional to 12,147.08, 16,751.22 and 10,833.80

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Solution

The fourth proportional to 12,147.08, 16,751.22 and 10,833.80 is: 14,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.08 : 16,751.22 = 10,833.80 : x
  2. Step 2: Convert to fraction form
    12,147.08/16,751.22 = 10,833.80/x
  3. Step 3: Cross multiply
    12,147.08x = 16,751.22 × 10,833.80
  4. Step 4: Simplify right side
    12,147.08x = 181,479,367.24
  5. Step 5: Solve for x
    x = 181,479,367.24/12,147.08
  6. Step 6: Final answer
    x = 14,940.16

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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.