Home / 12,043.13-16,613.90-7,795.55

Finding the Fourth Proportional to 12,043.13, 16,613.90 and 7,795.55

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Solution

The fourth proportional to 12,043.13, 16,613.90 and 7,795.55 is: 10,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.13 : 16,613.90 = 7,795.55 : x
  2. Step 2: Convert to fraction form
    12,043.13/16,613.90 = 7,795.55/x
  3. Step 3: Cross multiply
    12,043.13x = 16,613.90 × 7,795.55
  4. Step 4: Simplify right side
    12,043.13x = 129,514,519.94
  5. Step 5: Solve for x
    x = 129,514,519.94/12,043.13
  6. Step 6: Final answer
    x = 10,754.23

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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.