Home / 12,302.13-16,976.84-6,996.94

Finding the Fourth Proportional to 12,302.13, 16,976.84 and 6,996.94

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Solution

The fourth proportional to 12,302.13, 16,976.84 and 6,996.94 is: 9,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.13 : 16,976.84 = 6,996.94 : x
  2. Step 2: Convert to fraction form
    12,302.13/16,976.84 = 6,996.94/x
  3. Step 3: Cross multiply
    12,302.13x = 16,976.84 × 6,996.94
  4. Step 4: Simplify right side
    12,302.13x = 118,785,845.99
  5. Step 5: Solve for x
    x = 118,785,845.99/12,302.13
  6. Step 6: Final answer
    x = 9,655.72

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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.