Home / 12,305.63-16,982.54-7,000.44

Finding the Fourth Proportional to 12,305.63, 16,982.54 and 7,000.44

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Solution

The fourth proportional to 12,305.63, 16,982.54 and 7,000.44 is: 9,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.63 : 16,982.54 = 7,000.44 : x
  2. Step 2: Convert to fraction form
    12,305.63/16,982.54 = 7,000.44/x
  3. Step 3: Cross multiply
    12,305.63x = 16,982.54 × 7,000.44
  4. Step 4: Simplify right side
    12,305.63x = 118,885,217.32
  5. Step 5: Solve for x
    x = 118,885,217.32/12,305.63
  6. Step 6: Final answer
    x = 9,661.05

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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.