Home / 12,348.09-17,040.23-6,682.72

Finding the Fourth Proportional to 12,348.09, 17,040.23 and 6,682.72

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Solution

The fourth proportional to 12,348.09, 17,040.23 and 6,682.72 is: 9,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.09 : 17,040.23 = 6,682.72 : x
  2. Step 2: Convert to fraction form
    12,348.09/17,040.23 = 6,682.72/x
  3. Step 3: Cross multiply
    12,348.09x = 17,040.23 × 6,682.72
  4. Step 4: Simplify right side
    12,348.09x = 113,875,059.93
  5. Step 5: Solve for x
    x = 113,875,059.93/12,348.09
  6. Step 6: Final answer
    x = 9,222.08

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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.