Home / 11,749.75-16,214.54-6,444.45

Finding the Fourth Proportional to 11,749.75, 16,214.54 and 6,444.45

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Solution

The fourth proportional to 11,749.75, 16,214.54 and 6,444.45 is: 8,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.75 : 16,214.54 = 6,444.45 : x
  2. Step 2: Convert to fraction form
    11,749.75/16,214.54 = 6,444.45/x
  3. Step 3: Cross multiply
    11,749.75x = 16,214.54 × 6,444.45
  4. Step 4: Simplify right side
    11,749.75x = 104,493,792.30
  5. Step 5: Solve for x
    x = 104,493,792.30/11,749.75
  6. Step 6: Final answer
    x = 8,893.28

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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.