Home / 8,320.89-11,482.43-4,783.29

Finding the Fourth Proportional to 8,320.89, 11,482.43 and 4,783.29

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Solution

The fourth proportional to 8,320.89, 11,482.43 and 4,783.29 is: 6,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.89 : 11,482.43 = 4,783.29 : x
  2. Step 2: Convert to fraction form
    8,320.89/11,482.43 = 4,783.29/x
  3. Step 3: Cross multiply
    8,320.89x = 11,482.43 × 4,783.29
  4. Step 4: Simplify right side
    8,320.89x = 54,923,768.68
  5. Step 5: Solve for x
    x = 54,923,768.68/8,320.89
  6. Step 6: Final answer
    x = 6,600.71

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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.