Home / 12,078.08-16,674.90-7,605.67

Finding the Fourth Proportional to 12,078.08, 16,674.90 and 7,605.67

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Solution

The fourth proportional to 12,078.08, 16,674.90 and 7,605.67 is: 10,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.08 : 16,674.90 = 7,605.67 : x
  2. Step 2: Convert to fraction form
    12,078.08/16,674.90 = 7,605.67/x
  3. Step 3: Cross multiply
    12,078.08x = 16,674.90 × 7,605.67
  4. Step 4: Simplify right side
    12,078.08x = 126,823,786.68
  5. Step 5: Solve for x
    x = 126,823,786.68/12,078.08
  6. Step 6: Final answer
    x = 10,500.33

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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.