Home / 12,140.18-16,755.06-6,836.04

Finding the Fourth Proportional to 12,140.18, 16,755.06 and 6,836.04

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Solution

The fourth proportional to 12,140.18, 16,755.06 and 6,836.04 is: 9,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.18 : 16,755.06 = 6,836.04 : x
  2. Step 2: Convert to fraction form
    12,140.18/16,755.06 = 6,836.04/x
  3. Step 3: Cross multiply
    12,140.18x = 16,755.06 × 6,836.04
  4. Step 4: Simplify right side
    12,140.18x = 114,538,260.36
  5. Step 5: Solve for x
    x = 114,538,260.36/12,140.18
  6. Step 6: Final answer
    x = 9,434.64

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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.