Home / 12,302.11-16,975.20-6,996.34

Finding the Fourth Proportional to 12,302.11, 16,975.20 and 6,996.34

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Solution

The fourth proportional to 12,302.11, 16,975.20 and 6,996.34 is: 9,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.11 : 16,975.20 = 6,996.34 : x
  2. Step 2: Convert to fraction form
    12,302.11/16,975.20 = 6,996.34/x
  3. Step 3: Cross multiply
    12,302.11x = 16,975.20 × 6,996.34
  4. Step 4: Simplify right side
    12,302.11x = 118,764,270.77
  5. Step 5: Solve for x
    x = 118,764,270.77/12,302.11
  6. Step 6: Final answer
    x = 9,653.98

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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.