Home / 8,922.72-12,312.66-4,943.52

Finding the Fourth Proportional to 8,922.72, 12,312.66 and 4,943.52

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Solution

The fourth proportional to 8,922.72, 12,312.66 and 4,943.52 is: 6,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.72 : 12,312.66 = 4,943.52 : x
  2. Step 2: Convert to fraction form
    8,922.72/12,312.66 = 4,943.52/x
  3. Step 3: Cross multiply
    8,922.72x = 12,312.66 × 4,943.52
  4. Step 4: Simplify right side
    8,922.72x = 60,867,880.96
  5. Step 5: Solve for x
    x = 60,867,880.96/8,922.72
  6. Step 6: Final answer
    x = 6,821.67

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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.