Home / 13,087.08-19,630.73-3,727.09

Finding the Fourth Proportional to 13,087.08, 19,630.73 and 3,727.09

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Solution

The fourth proportional to 13,087.08, 19,630.73 and 3,727.09 is: 5,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.08 : 19,630.73 = 3,727.09 : x
  2. Step 2: Convert to fraction form
    13,087.08/19,630.73 = 3,727.09/x
  3. Step 3: Cross multiply
    13,087.08x = 19,630.73 × 3,727.09
  4. Step 4: Simplify right side
    13,087.08x = 73,165,497.48
  5. Step 5: Solve for x
    x = 73,165,497.48/13,087.08
  6. Step 6: Final answer
    x = 5,590.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.