Home / 11,735.63-16,195.16-6,430.64

Finding the Fourth Proportional to 11,735.63, 16,195.16 and 6,430.64

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Solution

The fourth proportional to 11,735.63, 16,195.16 and 6,430.64 is: 8,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.63 : 16,195.16 = 6,430.64 : x
  2. Step 2: Convert to fraction form
    11,735.63/16,195.16 = 6,430.64/x
  3. Step 3: Cross multiply
    11,735.63x = 16,195.16 × 6,430.64
  4. Step 4: Simplify right side
    11,735.63x = 104,145,300.27
  5. Step 5: Solve for x
    x = 104,145,300.27/11,735.63
  6. Step 6: Final answer
    x = 8,874.29

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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.