Home / 8,950.24-12,351.33-4,971.72

Finding the Fourth Proportional to 8,950.24, 12,351.33 and 4,971.72

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Solution

The fourth proportional to 8,950.24, 12,351.33 and 4,971.72 is: 6,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.24 : 12,351.33 = 4,971.72 : x
  2. Step 2: Convert to fraction form
    8,950.24/12,351.33 = 4,971.72/x
  3. Step 3: Cross multiply
    8,950.24x = 12,351.33 × 4,971.72
  4. Step 4: Simplify right side
    8,950.24x = 61,407,267.77
  5. Step 5: Solve for x
    x = 61,407,267.77/8,950.24
  6. Step 6: Final answer
    x = 6,860.97

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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.