Home / 12,034.96-16,609.80-7,855.36

Finding the Fourth Proportional to 12,034.96, 16,609.80 and 7,855.36

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Solution

The fourth proportional to 12,034.96, 16,609.80 and 7,855.36 is: 10,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.96 : 16,609.80 = 7,855.36 : x
  2. Step 2: Convert to fraction form
    12,034.96/16,609.80 = 7,855.36/x
  3. Step 3: Cross multiply
    12,034.96x = 16,609.80 × 7,855.36
  4. Step 4: Simplify right side
    12,034.96x = 130,475,958.53
  5. Step 5: Solve for x
    x = 130,475,958.53/12,034.96
  6. Step 6: Final answer
    x = 10,841.41

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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.