Home / 8,538.97-11,783.72-4,762.18

Finding the Fourth Proportional to 8,538.97, 11,783.72 and 4,762.18

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Solution

The fourth proportional to 8,538.97, 11,783.72 and 4,762.18 is: 6,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.97 : 11,783.72 = 4,762.18 : x
  2. Step 2: Convert to fraction form
    8,538.97/11,783.72 = 4,762.18/x
  3. Step 3: Cross multiply
    8,538.97x = 11,783.72 × 4,762.18
  4. Step 4: Simplify right side
    8,538.97x = 56,116,112.98
  5. Step 5: Solve for x
    x = 56,116,112.98/8,538.97
  6. Step 6: Final answer
    x = 6,571.77

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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.