Home / 12,329.12-17,014.20-6,740.12

Finding the Fourth Proportional to 12,329.12, 17,014.20 and 6,740.12

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Solution

The fourth proportional to 12,329.12, 17,014.20 and 6,740.12 is: 9,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.12 : 17,014.20 = 6,740.12 : x
  2. Step 2: Convert to fraction form
    12,329.12/17,014.20 = 6,740.12/x
  3. Step 3: Cross multiply
    12,329.12x = 17,014.20 × 6,740.12
  4. Step 4: Simplify right side
    12,329.12x = 114,677,749.70
  5. Step 5: Solve for x
    x = 114,677,749.70/12,329.12
  6. Step 6: Final answer
    x = 9,301.37

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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.