Home / 9,723.84-14,578.20-4,172.64

Finding the Fourth Proportional to 9,723.84, 14,578.20 and 4,172.64

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Solution

The fourth proportional to 9,723.84, 14,578.20 and 4,172.64 is: 6,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.84 : 14,578.20 = 4,172.64 : x
  2. Step 2: Convert to fraction form
    9,723.84/14,578.20 = 4,172.64/x
  3. Step 3: Cross multiply
    9,723.84x = 14,578.20 × 4,172.64
  4. Step 4: Simplify right side
    9,723.84x = 60,829,580.45
  5. Step 5: Solve for x
    x = 60,829,580.45/9,723.84
  6. Step 6: Final answer
    x = 6,255.72

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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.