Home / 8,673.36-13,013.64-3,742.08

Finding the Fourth Proportional to 8,673.36, 13,013.64 and 3,742.08

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Solution

The fourth proportional to 8,673.36, 13,013.64 and 3,742.08 is: 5,614.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.36 : 13,013.64 = 3,742.08 : x
  2. Step 2: Convert to fraction form
    8,673.36/13,013.64 = 3,742.08/x
  3. Step 3: Cross multiply
    8,673.36x = 13,013.64 × 3,742.08
  4. Step 4: Simplify right side
    8,673.36x = 48,698,081.97
  5. Step 5: Solve for x
    x = 48,698,081.97/8,673.36
  6. Step 6: Final answer
    x = 5,614.67

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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.