Home / 12,040.63-16,616.12-6,735.45

Finding the Fourth Proportional to 12,040.63, 16,616.12 and 6,735.45

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Solution

The fourth proportional to 12,040.63, 16,616.12 and 6,735.45 is: 9,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.63 : 16,616.12 = 6,735.45 : x
  2. Step 2: Convert to fraction form
    12,040.63/16,616.12 = 6,735.45/x
  3. Step 3: Cross multiply
    12,040.63x = 16,616.12 × 6,735.45
  4. Step 4: Simplify right side
    12,040.63x = 111,917,111.97
  5. Step 5: Solve for x
    x = 111,917,111.97/12,040.63
  6. Step 6: Final answer
    x = 9,294.95

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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.