Home / 12,408.14-17,123.33-6,743.00

Finding the Fourth Proportional to 12,408.14, 17,123.33 and 6,743.00

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Solution

The fourth proportional to 12,408.14, 17,123.33 and 6,743.00 is: 9,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.14 : 17,123.33 = 6,743.00 : x
  2. Step 2: Convert to fraction form
    12,408.14/17,123.33 = 6,743.00/x
  3. Step 3: Cross multiply
    12,408.14x = 17,123.33 × 6,743.00
  4. Step 4: Simplify right side
    12,408.14x = 115,462,673.86
  5. Step 5: Solve for x
    x = 115,462,673.86/12,408.14
  6. Step 6: Final answer
    x = 9,305.40

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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.