Home / 8,155.98-11,256.04-4,571.54

Finding the Fourth Proportional to 8,155.98, 11,256.04 and 4,571.54

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Solution

The fourth proportional to 8,155.98, 11,256.04 and 4,571.54 is: 6,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.98 : 11,256.04 = 4,571.54 : x
  2. Step 2: Convert to fraction form
    8,155.98/11,256.04 = 4,571.54/x
  3. Step 3: Cross multiply
    8,155.98x = 11,256.04 × 4,571.54
  4. Step 4: Simplify right side
    8,155.98x = 51,457,485.63
  5. Step 5: Solve for x
    x = 51,457,485.63/8,155.98
  6. Step 6: Final answer
    x = 6,309.17

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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.