Home / 8,455.96-11,673.30-5,628.04

Finding the Fourth Proportional to 8,455.96, 11,673.30 and 5,628.04

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Solution

The fourth proportional to 8,455.96, 11,673.30 and 5,628.04 is: 7,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.96 : 11,673.30 = 5,628.04 : x
  2. Step 2: Convert to fraction form
    8,455.96/11,673.30 = 5,628.04/x
  3. Step 3: Cross multiply
    8,455.96x = 11,673.30 × 5,628.04
  4. Step 4: Simplify right side
    8,455.96x = 65,697,799.33
  5. Step 5: Solve for x
    x = 65,697,799.33/8,455.96
  6. Step 6: Final answer
    x = 7,769.41

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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.