Home / 12,334.84-18,504.78-4,543.72

Finding the Fourth Proportional to 12,334.84, 18,504.78 and 4,543.72

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Solution

The fourth proportional to 12,334.84, 18,504.78 and 4,543.72 is: 6,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.84 : 18,504.78 = 4,543.72 : x
  2. Step 2: Convert to fraction form
    12,334.84/18,504.78 = 4,543.72/x
  3. Step 3: Cross multiply
    12,334.84x = 18,504.78 × 4,543.72
  4. Step 4: Simplify right side
    12,334.84x = 84,080,538.98
  5. Step 5: Solve for x
    x = 84,080,538.98/12,334.84
  6. Step 6: Final answer
    x = 6,816.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.